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This is the 4.4.136 stable release

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Merge 4.4.136 into android-4.4

Changes in 4.4.136
	arm64: lse: Add early clobbers to some input/output asm operands
	powerpc/64s: Clear PCR on boot
	USB: serial: cp210x: use tcflag_t to fix incompatible pointer type
	sh: New gcc support
	xfs: detect agfl count corruption and reset agfl
	Revert "ima: limit file hash setting by user to fix and log modes"
	Input: elan_i2c_smbus - fix corrupted stack
	tracing: Fix crash when freeing instances with event triggers
	selinux: KASAN: slab-out-of-bounds in xattr_getsecurity
	cfg80211: further limit wiphy names to 64 bytes
	rtlwifi: rtl8192cu: Remove variable self-assignment in rf.c
	ASoC: Intel: sst: remove redundant variable dma_dev_name
	irda: fix overly long udelay()
	tcp: avoid integer overflows in tcp_rcv_space_adjust()
	i2c: rcar: make sure clocks are on when doing clock calculation
	i2c: rcar: rework hw init
	i2c: rcar: remove unused IOERROR state
	i2c: rcar: remove spinlock
	i2c: rcar: refactor setup of a msg
	i2c: rcar: init new messages in irq
	i2c: rcar: don't issue stop when HW does it automatically
	i2c: rcar: check master irqs before slave irqs
	i2c: rcar: revoke START request early
	dmaengine: usb-dmac: fix endless loop in usb_dmac_chan_terminate_all()
	iio:kfifo_buf: check for uint overflow
	MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
	MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
	scsi: scsi_transport_srp: Fix shost to rport translation
	stm class: Use vmalloc for the master map
	hwtracing: stm: fix build error on some arches
	drm/i915: Disable LVDS on Radiant P845
	Kbuild: change CC_OPTIMIZE_FOR_SIZE definition
	fix io_destroy()/aio_complete() race
	mm: fix the NULL mapping case in __isolate_lru_page()
	sparc64: Fix build warnings with gcc 7.
	Linux 4.4.136

Change-Id: I3457f995cf22c65952271ecd517a46144ac4dc79
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2018-06-06 18:53:06 +02:00
commit fb7e319634
34 changed files with 375 additions and 205 deletions
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2
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 135
SUBLEVEL = 136
EXTRAVERSION =
NAME = Blurry Fish Butt

14
arch/arm64/include/asm/atomic_lse.h
View file

@ -114,7 +114,7 @@ static inline void atomic_and(int i, atomic_t *v)
/* LSE atomics */
" mvn %w[i], %w[i]\n"
" stclr %w[i], %[v]")
: [i] "+r" (w0), [v] "+Q" (v->counter)
: [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -131,7 +131,7 @@ static inline void atomic_sub(int i, atomic_t *v)
/* LSE atomics */
" neg %w[i], %w[i]\n"
" stadd %w[i], %[v]")
: [i] "+r" (w0), [v] "+Q" (v->counter)
: [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -151,7 +151,7 @@ static inline int atomic_sub_return##name(int i, atomic_t *v) \
" neg %w[i], %w[i]\n" \
" ldadd" #mb " %w[i], w30, %[v]\n" \
" add %w[i], %w[i], w30") \
: [i] "+r" (w0), [v] "+Q" (v->counter) \
: [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS , ##cl); \
\
@ -255,7 +255,7 @@ static inline void atomic64_and(long i, atomic64_t *v)
/* LSE atomics */
" mvn %[i], %[i]\n"
" stclr %[i], %[v]")
: [i] "+r" (x0), [v] "+Q" (v->counter)
: [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -272,7 +272,7 @@ static inline void atomic64_sub(long i, atomic64_t *v)
/* LSE atomics */
" neg %[i], %[i]\n"
" stadd %[i], %[v]")
: [i] "+r" (x0), [v] "+Q" (v->counter)
: [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -292,7 +292,7 @@ static inline long atomic64_sub_return##name(long i, atomic64_t *v) \
" neg %[i], %[i]\n" \
" ldadd" #mb " %[i], x30, %[v]\n" \
" add %[i], %[i], x30") \
: [i] "+r" (x0), [v] "+Q" (v->counter) \
: [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -412,7 +412,7 @@ static inline long __cmpxchg_double##name(unsigned long old1, \
" eor %[old1], %[old1], %[oldval1]\n" \
" eor %[old2], %[old2], %[oldval2]\n" \
" orr %[old1], %[old1], %[old2]") \
: [old1] "+r" (x0), [old2] "+r" (x1), \
: [old1] "+&r" (x0), [old2] "+&r" (x1), \
[v] "+Q" (*(unsigned long *)ptr) \
: [new1] "r" (x2), [new2] "r" (x3), [ptr] "r" (x4), \
[oldval1] "r" (oldval1), [oldval2] "r" (oldval2) \

4
arch/mips/kernel/process.c
View file

@ -684,6 +684,10 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
if (value & ~known_bits)
return -EOPNOTSUPP;
/* Setting FRE without FR is not supported. */
if ((value & (PR_FP_MODE_FR | PR_FP_MODE_FRE)) == PR_FP_MODE_FRE)
return -EOPNOTSUPP;
/* Avoid inadvertently triggering emulation */
if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu &&
!(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64))

2
arch/mips/kernel/ptrace.c
View file

@ -840,7 +840,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
}
#endif
tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
tmp = get_fpr64(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;

2
arch/mips/kernel/ptrace32.c
View file

@ -107,7 +107,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
addr & 1);
break;
}
tmp = get_fpr32(&fregs[addr - FPR_BASE], 0);
tmp = get_fpr64(&fregs[addr - FPR_BASE], 0);
break;
case PC:
tmp = regs->cp0_epc;

4
arch/powerpc/kernel/cpu_setup_power.S
View file

@ -27,6 +27,7 @@ _GLOBAL(__setup_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_tlb_power7
@ -40,6 +41,7 @@ _GLOBAL(__restore_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
bl __init_LPCR
bl __init_tlb_power7
@ -55,6 +57,7 @@ _GLOBAL(__setup_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
bl __init_LPCR
@ -74,6 +77,7 @@ _GLOBAL(__restore_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
bl __init_LPCR

3
arch/sh/kernel/sh_ksyms_32.c
View file

@ -34,6 +34,9 @@ DECLARE_EXPORT(__sdivsi3);
DECLARE_EXPORT(__lshrsi3);
DECLARE_EXPORT(__ashrsi3);
DECLARE_EXPORT(__ashlsi3);
DECLARE_EXPORT(__lshrsi3_r0);
DECLARE_EXPORT(__ashrsi3_r0);
DECLARE_EXPORT(__ashlsi3_r0);
DECLARE_EXPORT(__ashiftrt_r4_6);
DECLARE_EXPORT(__ashiftrt_r4_7);
DECLARE_EXPORT(__ashiftrt_r4_8);

35
arch/sh/lib/ashlsi3.S
View file

@ -54,21 +54,38 @@ Boston, MA 02110-1301, USA. */
!
! (none)
!
! __ashlsi3_r0
!
! Entry:
!
! r4: Value to shift
! r0: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
.global __ashlsi3
.global __ashlsi3_r0
.align 2
__ashlsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__ashlsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova ashlsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
ashlsi3_table:

33
arch/sh/lib/ashrsi3.S
View file

@ -54,22 +54,37 @@ Boston, MA 02110-1301, USA. */
!
! (none)
!
! __ashrsi3_r0
!
! Entry:
!
! r4: Value to shift
! r0: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
.global __ashrsi3
.global __ashrsi3_r0
.align 2
__ashrsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__ashrsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova ashrsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
ashrsi3_table:

34
arch/sh/lib/lshrsi3.S
View file

@ -53,22 +53,38 @@ Boston, MA 02110-1301, USA. */
! Destroys:
!
! (none)
!
! __lshrsi3_r0
!
! Entry:
!
! r0: Value to shift
! r5: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
!
.global __lshrsi3
.global __lshrsi3_r0
.align 2
__lshrsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__lshrsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova lshrsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
lshrsi3_table:

2
arch/sparc/kernel/ds.c
View file

@ -908,7 +908,7 @@ static int register_services(struct ds_info *dp)
pbuf.req.handle = cp->handle;
pbuf.req.major = 1;
pbuf.req.minor = 0;
strcpy(pbuf.req.svc_id, cp->service_id);
strcpy(pbuf.id_buf, cp->service_id);
err = __ds_send(lp, &pbuf, msg_len);
if (err > 0)

4
drivers/dma/sh/usb-dmac.c
View file

@ -448,7 +448,7 @@ usb_dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
static int usb_dmac_chan_terminate_all(struct dma_chan *chan)
{
struct usb_dmac_chan *uchan = to_usb_dmac_chan(chan);
struct usb_dmac_desc *desc;
struct usb_dmac_desc *desc, *_desc;
unsigned long flags;
LIST_HEAD(head);
LIST_HEAD(list);
@ -459,7 +459,7 @@ static int usb_dmac_chan_terminate_all(struct dma_chan *chan)
if (uchan->desc)
uchan->desc = NULL;
list_splice_init(&uchan->desc_got, &list);
list_for_each_entry(desc, &list, node)
list_for_each_entry_safe(desc, _desc, &list, node)
list_move_tail(&desc->node, &uchan->desc_freed);
spin_unlock_irqrestore(&uchan->vc.lock, flags);
vchan_dma_desc_free_list(&uchan->vc, &head);

8
drivers/gpu/drm/i915/intel_lvds.c
View file

@ -768,6 +768,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
DMI_EXACT_MATCH(DMI_BOARD_NAME, "D525MW"),
},
},
{
.callback = intel_no_lvds_dmi_callback,
.ident = "Radiant P845",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Radiant Systems Inc"),
DMI_MATCH(DMI_PRODUCT_NAME, "P845"),
},
},
{ } /* terminating entry */
};

7
drivers/hwtracing/stm/core.c
View file

@ -26,6 +26,7 @@
#include <linux/stm.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include "stm.h"
#include <uapi/linux/stm.h>
@ -602,7 +603,7 @@ static void stm_device_release(struct device *dev)
{
struct stm_device *stm = to_stm_device(dev);
kfree(stm);
vfree(stm);
}
int stm_register_device(struct device *parent, struct stm_data *stm_data,
@ -619,7 +620,7 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
return -EINVAL;
nmasters = stm_data->sw_end - stm_data->sw_start;
stm = kzalloc(sizeof(*stm) + nmasters * sizeof(void *), GFP_KERNEL);
stm = vzalloc(sizeof(*stm) + nmasters * sizeof(void *));
if (!stm)
return -ENOMEM;
@ -656,7 +657,7 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
err_device:
put_device(&stm->dev);
err_free:
kfree(stm);
vfree(stm);
return err;
}

206
drivers/i2c/busses/i2c-rcar.c
View file

@ -33,7 +33,6 @@
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
/* register offsets */
#define ICSCR 0x00 /* slave ctrl */
@ -84,6 +83,7 @@
#define RCAR_BUS_PHASE_START (MDBS | MIE | ESG)
#define RCAR_BUS_PHASE_DATA (MDBS | MIE)
#define RCAR_BUS_MASK_DATA (~(ESG | FSB) & 0xFF)
#define RCAR_BUS_PHASE_STOP (MDBS | MIE | FSB)
#define RCAR_IRQ_SEND (MNR | MAL | MST | MAT | MDE)
@ -94,7 +94,6 @@
#define RCAR_IRQ_ACK_RECV (~(MAT | MDR) & 0xFF)
#define ID_LAST_MSG (1 << 0)
#define ID_IOERROR (1 << 1)
#define ID_DONE (1 << 2)
#define ID_ARBLOST (1 << 3)
#define ID_NACK (1 << 4)
@ -108,10 +107,10 @@ enum rcar_i2c_type {
struct rcar_i2c_priv {
void __iomem *io;
struct i2c_adapter adap;
struct i2c_msg *msg;
struct i2c_msg *msg;
int msgs_left;
struct clk *clk;
spinlock_t lock;
wait_queue_head_t wait;
int pos;
@ -144,9 +143,10 @@ static void rcar_i2c_init(struct rcar_i2c_priv *priv)
{
/* reset master mode */
rcar_i2c_write(priv, ICMIER, 0);
rcar_i2c_write(priv, ICMCR, 0);
rcar_i2c_write(priv, ICMCR, MDBS);
rcar_i2c_write(priv, ICMSR, 0);
rcar_i2c_write(priv, ICMAR, 0);
/* start clock */
rcar_i2c_write(priv, ICCCR, priv->icccr);
}
static int rcar_i2c_bus_barrier(struct rcar_i2c_priv *priv)
@ -257,16 +257,28 @@ static void rcar_i2c_prepare_msg(struct rcar_i2c_priv *priv)
{
int read = !!rcar_i2c_is_recv(priv);
priv->pos = 0;
priv->flags = 0;
if (priv->msgs_left == 1)
rcar_i2c_flags_set(priv, ID_LAST_MSG);
rcar_i2c_write(priv, ICMAR, (priv->msg->addr << 1) | read);
rcar_i2c_write(priv, ICMSR, 0);
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_START);
rcar_i2c_write(priv, ICMIER, read ? RCAR_IRQ_RECV : RCAR_IRQ_SEND);
}
static void rcar_i2c_next_msg(struct rcar_i2c_priv *priv)
{
priv->msg++;
priv->msgs_left--;
rcar_i2c_prepare_msg(priv);
}
/*
* interrupt functions
*/
static int rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
static void rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
{
struct i2c_msg *msg = priv->msg;
@ -276,14 +288,7 @@ static int rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
* Do nothing
*/
if (!(msr & MDE))
return 0;
/*
* If address transfer phase finished,
* goto data phase.
*/
if (msr & MAT)
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_DATA);
return;
if (priv->pos < msg->len) {
/*
@ -305,29 +310,23 @@ static int rcar_i2c_irq_send(struct rcar_i2c_priv *priv, u32 msr)
* [ICRXTX] -> [SHIFT] -> [I2C bus]
*/
if (priv->flags & ID_LAST_MSG)
if (priv->flags & ID_LAST_MSG) {
/*
* If current msg is the _LAST_ msg,
* prepare stop condition here.
* ID_DONE will be set on STOP irq.
*/
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_STOP);
else
/*
* If current msg is _NOT_ last msg,
* it doesn't call stop phase.
* thus, there is no STOP irq.
* return ID_DONE here.
*/
return ID_DONE;
} else {
rcar_i2c_next_msg(priv);
return;
}
}
rcar_i2c_write(priv, ICMSR, RCAR_IRQ_ACK_SEND);
return 0;
}
static int rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr)
static void rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr)
{
struct i2c_msg *msg = priv->msg;
@ -337,14 +336,10 @@ static int rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr)
* Do nothing
*/
if (!(msr & MDR))
return 0;
return;
if (msr & MAT) {
/*
* Address transfer phase finished,
* but, there is no data at this point.
* Do nothing.
*/
/* Address transfer phase finished, but no data at this point. */
} else if (priv->pos < msg->len) {
/*
* get received data
@ -360,12 +355,11 @@ static int rcar_i2c_irq_recv(struct rcar_i2c_priv *priv, u32 msr)
*/
if (priv->pos + 1 >= msg->len)
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_STOP);
if (priv->pos == msg->len && !(priv->flags & ID_LAST_MSG))
rcar_i2c_next_msg(priv);
else
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_DATA);
rcar_i2c_write(priv, ICMSR, RCAR_IRQ_ACK_RECV);
return 0;
rcar_i2c_write(priv, ICMSR, RCAR_IRQ_ACK_RECV);
}
static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv)
@ -426,22 +420,21 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv)
static irqreturn_t rcar_i2c_irq(int irq, void *ptr)
{
struct rcar_i2c_priv *priv = ptr;
irqreturn_t result = IRQ_HANDLED;
u32 msr;
u32 msr, val;
/*-------------- spin lock -----------------*/
spin_lock(&priv->lock);
if (rcar_i2c_slave_irq(priv))
goto exit;
/* Clear START or STOP as soon as we can */
val = rcar_i2c_read(priv, ICMCR);
rcar_i2c_write(priv, ICMCR, val & RCAR_BUS_MASK_DATA);
msr = rcar_i2c_read(priv, ICMSR);
/* Only handle interrupts that are currently enabled */
msr &= rcar_i2c_read(priv, ICMIER);
if (!msr) {
result = IRQ_NONE;
goto exit;
if (rcar_i2c_slave_irq(priv))
return IRQ_HANDLED;
return IRQ_NONE;
}
/* Arbitration lost */
@ -452,8 +445,7 @@ static irqreturn_t rcar_i2c_irq(int irq, void *ptr)
/* Nack */
if (msr & MNR) {
/* go to stop phase */
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_STOP);
/* HW automatically sends STOP after received NACK */
rcar_i2c_write(priv, ICMIER, RCAR_IRQ_STOP);
rcar_i2c_flags_set(priv, ID_NACK);
goto out;
@ -461,14 +453,15 @@ static irqreturn_t rcar_i2c_irq(int irq, void *ptr)
/* Stop */
if (msr & MST) {
priv->msgs_left--; /* The last message also made it */
rcar_i2c_flags_set(priv, ID_DONE);
goto out;
}
if (rcar_i2c_is_recv(priv))
rcar_i2c_flags_set(priv, rcar_i2c_irq_recv(priv, msr));
rcar_i2c_irq_recv(priv, msr);
else
rcar_i2c_flags_set(priv, rcar_i2c_irq_send(priv, msr));
rcar_i2c_irq_send(priv, msr);
out:
if (rcar_i2c_flags_has(priv, ID_DONE)) {
@ -477,11 +470,7 @@ out:
wake_up(&priv->wait);
}
exit:
spin_unlock(&priv->lock);
/*-------------- spin unlock -----------------*/
return result;
return IRQ_HANDLED;
}
static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
@ -490,22 +479,11 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
{
struct rcar_i2c_priv *priv = i2c_get_adapdata(adap);
struct device *dev = rcar_i2c_priv_to_dev(priv);
unsigned long flags;
int i, ret;
long timeout;
long time_left;
pm_runtime_get_sync(dev);
/*-------------- spin lock -----------------*/
spin_lock_irqsave(&priv->lock, flags);
rcar_i2c_init(priv);
/* start clock */
rcar_i2c_write(priv, ICCCR, priv->icccr);
spin_unlock_irqrestore(&priv->lock, flags);
/*-------------- spin unlock -----------------*/
ret = rcar_i2c_bus_barrier(priv);
if (ret < 0)
goto out;
@ -514,48 +492,28 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
/* This HW can't send STOP after address phase */
if (msgs[i].len == 0) {
ret = -EOPNOTSUPP;
break;
goto out;
}
}
/*-------------- spin lock -----------------*/
spin_lock_irqsave(&priv->lock, flags);
/* init data */
priv->msg = msgs;
priv->msgs_left = num;
/* init each data */
priv->msg = &msgs[i];
priv->pos = 0;
priv->flags = 0;
if (i == num - 1)
rcar_i2c_flags_set(priv, ID_LAST_MSG);
rcar_i2c_prepare_msg(priv);
rcar_i2c_prepare_msg(priv);
spin_unlock_irqrestore(&priv->lock, flags);
/*-------------- spin unlock -----------------*/
timeout = wait_event_timeout(priv->wait,
rcar_i2c_flags_has(priv, ID_DONE),
adap->timeout);
if (!timeout) {
ret = -ETIMEDOUT;
break;
}
if (rcar_i2c_flags_has(priv, ID_NACK)) {
ret = -ENXIO;
break;
}
if (rcar_i2c_flags_has(priv, ID_ARBLOST)) {
ret = -EAGAIN;
break;
}
if (rcar_i2c_flags_has(priv, ID_IOERROR)) {
ret = -EIO;
break;
}
ret = i + 1; /* The number of transfer */
time_left = wait_event_timeout(priv->wait,
rcar_i2c_flags_has(priv, ID_DONE),
num * adap->timeout);
if (!time_left) {
rcar_i2c_init(priv);
ret = -ETIMEDOUT;
} else if (rcar_i2c_flags_has(priv, ID_NACK)) {
ret = -ENXIO;
} else if (rcar_i2c_flags_has(priv, ID_ARBLOST)) {
ret = -EAGAIN;
} else {
ret = num - priv->msgs_left; /* The number of transfer */
}
out:
pm_runtime_put(dev);
@ -650,23 +608,27 @@ static int rcar_i2c_probe(struct platform_device *pdev)
return PTR_ERR(priv->clk);
}
bus_speed = 100000; /* default 100 kHz */
of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
priv->devtype = (enum rcar_i2c_type)of_match_device(rcar_i2c_dt_ids, dev)->data;
ret = rcar_i2c_clock_calculate(priv, bus_speed, dev);
if (ret < 0)
return ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->io = devm_ioremap_resource(dev, res);
if (IS_ERR(priv->io))
return PTR_ERR(priv->io);
bus_speed = 100000; /* default 100 kHz */
of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed);
priv->devtype = (enum rcar_i2c_type)of_match_device(rcar_i2c_dt_ids, dev)->data;
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
ret = rcar_i2c_clock_calculate(priv, bus_speed, dev);
if (ret < 0)
goto out_pm_put;
rcar_i2c_init(priv);
pm_runtime_put(dev);
irq = platform_get_irq(pdev, 0);
init_waitqueue_head(&priv->wait);
spin_lock_init(&priv->lock);
adap = &priv->adap;
adap->nr = pdev->id;
@ -682,22 +644,26 @@ static int rcar_i2c_probe(struct platform_device *pdev)
dev_name(dev), priv);
if (ret < 0) {
dev_err(dev, "cannot get irq %d\n", irq);
return ret;
goto out_pm_disable;
}
pm_runtime_enable(dev);
platform_set_drvdata(pdev, priv);
ret = i2c_add_numbered_adapter(adap);
if (ret < 0) {
dev_err(dev, "reg adap failed: %d\n", ret);
pm_runtime_disable(dev);
return ret;
goto out_pm_disable;
}
dev_info(dev, "probed\n");
return 0;
out_pm_put:
pm_runtime_put(dev);
out_pm_disable:
pm_runtime_disable(dev);
return ret;
}
static int rcar_i2c_remove(struct platform_device *pdev)

7
drivers/iio/buffer/kfifo_buf.c
View file

@ -24,6 +24,13 @@ static inline int __iio_allocate_kfifo(struct iio_kfifo *buf,
if ((length == 0) || (bytes_per_datum == 0))
return -EINVAL;
/*
* Make sure we don't overflow an unsigned int after kfifo rounds up to
* the next power of 2.
*/
if (roundup_pow_of_two(length) > UINT_MAX / bytes_per_datum)
return -EINVAL;
return __kfifo_alloc((struct __kfifo *)&buf->kf, length,
bytes_per_datum, GFP_KERNEL);
}

22
drivers/input/mouse/elan_i2c_smbus.c
View file

@ -130,7 +130,7 @@ static int elan_smbus_get_baseline_data(struct i2c_client *client,
bool max_baseline, u8 *value)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
max_baseline ?
@ -149,7 +149,7 @@ static int elan_smbus_get_version(struct i2c_client *client,
bool iap, u8 *version)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
iap ? ETP_SMBUS_IAP_VERSION_CMD :
@ -169,7 +169,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
u8 *ic_type, u8 *version)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_SM_VERSION_CMD, val);
@ -186,7 +186,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_UNIQUEID_CMD, val);
@ -203,7 +203,7 @@ static int elan_smbus_get_checksum(struct i2c_client *client,
bool iap, u16 *csum)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
iap ? ETP_SMBUS_FW_CHECKSUM_CMD :
@ -223,7 +223,7 @@ static int elan_smbus_get_max(struct i2c_client *client,
unsigned int *max_x, unsigned int *max_y)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client, ETP_SMBUS_RANGE_CMD, val);
if (error) {
@ -241,7 +241,7 @@ static int elan_smbus_get_resolution(struct i2c_client *client,
u8 *hw_res_x, u8 *hw_res_y)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_RESOLUTION_CMD, val);
@ -261,7 +261,7 @@ static int elan_smbus_get_num_traces(struct i2c_client *client,
unsigned int *y_traces)
{
int error;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client,
ETP_SMBUS_XY_TRACENUM_CMD, val);
@ -288,7 +288,7 @@ static int elan_smbus_iap_get_mode(struct i2c_client *client,
{
int error;
u16 constant;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
error = i2c_smbus_read_block_data(client, ETP_SMBUS_IAP_CTRL_CMD, val);
if (error < 0) {
@ -339,7 +339,7 @@ static int elan_smbus_prepare_fw_update(struct i2c_client *client)
int len;
int error;
enum tp_mode mode;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
u8 cmd[4] = {0x0F, 0x78, 0x00, 0x06};
u16 password;
@ -413,7 +413,7 @@ static int elan_smbus_write_fw_block(struct i2c_client *client,
struct device *dev = &client->dev;
int error;
u16 result;
u8 val[3];
u8 val[I2C_SMBUS_BLOCK_MAX] = {0};
/*
* Due to the limitation of smbus protocol limiting

4
drivers/net/irda/w83977af_ir.c
View file

@ -518,7 +518,9 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb,
mtt = irda_get_mtt(skb);
pr_debug("%s(%ld), mtt=%d\n", __func__ , jiffies, mtt);
if (mtt)
if (mtt > 1000)
mdelay(mtt/1000);
else if (mtt)
udelay(mtt);
/* Enable DMA interrupt */

3
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rf.c
View file

@ -304,9 +304,6 @@ static void _rtl92c_get_txpower_writeval_by_regulatory(struct ieee80211_hw *hw,
writeVal = 0x00000000;
if (rtlpriv->dm.dynamic_txhighpower_lvl == TXHIGHPWRLEVEL_BT1)
writeVal = writeVal - 0x06060606;
else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
TXHIGHPWRLEVEL_BT2)
writeVal = writeVal;
*(p_outwriteval + rf) = writeVal;
}
}

22
drivers/scsi/scsi_transport_srp.c
View file

@ -52,6 +52,8 @@ struct srp_internal {
struct transport_container rport_attr_cont;
};
static int scsi_is_srp_rport(const struct device *dev);
#define to_srp_internal(tmpl) container_of(tmpl, struct srp_internal, t)
#define dev_to_rport(d) container_of(d, struct srp_rport, dev)
@ -61,9 +63,24 @@ static inline struct Scsi_Host *rport_to_shost(struct srp_rport *r)
return dev_to_shost(r->dev.parent);
}
static int find_child_rport(struct device *dev, void *data)
{
struct device **child = data;
if (scsi_is_srp_rport(dev)) {
WARN_ON_ONCE(*child);
*child = dev;
}
return 0;
}
static inline struct srp_rport *shost_to_rport(struct Scsi_Host *shost)
{
return transport_class_to_srp_rport(&shost->shost_gendev);
struct device *child = NULL;
WARN_ON_ONCE(device_for_each_child(&shost->shost_gendev, &child,
find_child_rport) < 0);
return child ? dev_to_rport(child) : NULL;
}
/**
@ -637,7 +654,8 @@ static enum blk_eh_timer_return srp_timed_out(struct scsi_cmnd *scmd)
struct srp_rport *rport = shost_to_rport(shost);
pr_debug("timeout for sdev %s\n", dev_name(&sdev->sdev_gendev));
return rport->fast_io_fail_tmo < 0 && rport->dev_loss_tmo < 0 &&
return rport && rport->fast_io_fail_tmo < 0 &&
rport->dev_loss_tmo < 0 &&
i->f->reset_timer_if_blocked && scsi_device_blocked(sdev) ?
BLK_EH_RESET_TIMER : BLK_EH_NOT_HANDLED;
}

9
drivers/usb/serial/cp210x.c
View file

@ -33,7 +33,7 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *);
static void cp210x_close(struct usb_serial_port *);
static void cp210x_get_termios(struct tty_struct *, struct usb_serial_port *);
static void cp210x_get_termios_port(struct usb_serial_port *port,
unsigned int *cflagp, unsigned int *baudp);
tcflag_t *cflagp, unsigned int *baudp);
static void cp210x_change_speed(struct tty_struct *, struct usb_serial_port *,
struct ktermios *);
static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *,
@ -515,7 +515,7 @@ static void cp210x_get_termios(struct tty_struct *tty,
&tty->termios.c_cflag, &baud);
tty_encode_baud_rate(tty, baud, baud);
} else {
unsigned int cflag;
tcflag_t cflag;
cflag = 0;
cp210x_get_termios_port(port, &cflag, &baud);
}
@ -526,10 +526,11 @@ static void cp210x_get_termios(struct tty_struct *tty,
* This is the heart of cp210x_get_termios which always uses a &usb_serial_port.
*/
static void cp210x_get_termios_port(struct usb_serial_port *port,
unsigned int *cflagp, unsigned int *baudp)
tcflag_t *cflagp, unsigned int *baudp)
{
struct device *dev = &port->dev;
unsigned int cflag, modem_ctl[4];
tcflag_t cflag;
unsigned int modem_ctl[4];
unsigned int baud;
unsigned int bits;

3
fs/aio.c
View file

@ -628,9 +628,8 @@ static void free_ioctx_users(struct percpu_ref *ref)
while (!list_empty(&ctx->active_reqs)) {
req = list_first_entry(&ctx->active_reqs,
struct aio_kiocb, ki_list);
list_del_init(&req->ki_list);
kiocb_cancel(req);
list_del_init(&req->ki_list);
}
spin_unlock_irq(&ctx->ctx_lock);

94
fs/xfs/libxfs/xfs_alloc.c
View file

@ -1923,6 +1923,93 @@ xfs_alloc_space_available(
return true;
}
/*
* Check the agfl fields of the agf for inconsistency or corruption. The purpose
* is to detect an agfl header padding mismatch between current and early v5
* kernels. This problem manifests as a 1-slot size difference between the
* on-disk flcount and the active [first, last] range of a wrapped agfl. This
* may also catch variants of agfl count corruption unrelated to padding. Either
* way, we'll reset the agfl and warn the user.
*
* Return true if a reset is required before the agfl can be used, false
* otherwise.
*/
static bool
xfs_agfl_needs_reset(
struct xfs_mount *mp,
struct xfs_agf *agf)
{
uint32_t f = be32_to_cpu(agf->agf_flfirst);
uint32_t l = be32_to_cpu(agf->agf_fllast);
uint32_t c = be32_to_cpu(agf->agf_flcount);
int agfl_size = XFS_AGFL_SIZE(mp);
int active;
/* no agfl header on v4 supers */
if (!xfs_sb_version_hascrc(&mp->m_sb))
return false;
/*
* The agf read verifier catches severe corruption of these fields.
* Repeat some sanity checks to cover a packed -> unpacked mismatch if
* the verifier allows it.
*/
if (f >= agfl_size || l >= agfl_size)
return true;
if (c > agfl_size)
return true;
/*
* Check consistency between the on-disk count and the active range. An
* agfl padding mismatch manifests as an inconsistent flcount.
*/
if (c && l >= f)
active = l - f + 1;
else if (c)
active = agfl_size - f + l + 1;
else
active = 0;
return active != c;
}
/*
* Reset the agfl to an empty state. Ignore/drop any existing blocks since the
* agfl content cannot be trusted. Warn the user that a repair is required to
* recover leaked blocks.
*
* The purpose of this mechanism is to handle filesystems affected by the agfl
* header padding mismatch problem. A reset keeps the filesystem online with a
* relatively minor free space accounting inconsistency rather than suffer the
* inevitable crash from use of an invalid agfl block.
*/
static void
xfs_agfl_reset(
struct xfs_trans *tp,
struct xfs_buf *agbp,
struct xfs_perag *pag)
{
struct xfs_mount *mp = tp->t_mountp;
struct xfs_agf *agf = XFS_BUF_TO_AGF(agbp);
ASSERT(pag->pagf_agflreset);
trace_xfs_agfl_reset(mp, agf, 0, _RET_IP_);
xfs_warn(mp,
"WARNING: Reset corrupted AGFL on AG %u. %d blocks leaked. "
"Please unmount and run xfs_repair.",
pag->pag_agno, pag->pagf_flcount);
agf->agf_flfirst = 0;
agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1);
agf->agf_flcount = 0;
xfs_alloc_log_agf(tp, agbp, XFS_AGF_FLFIRST | XFS_AGF_FLLAST |
XFS_AGF_FLCOUNT);
pag->pagf_flcount = 0;
pag->pagf_agflreset = false;
}
/*
* Decide whether to use this allocation group for this allocation.
* If so, fix up the btree freelist's size.
@ -1983,6 +2070,10 @@ xfs_alloc_fix_freelist(
}
}
/* reset a padding mismatched agfl before final free space check */
if (pag->pagf_agflreset)
xfs_agfl_reset(tp, agbp, pag);
/* If there isn't enough total space or single-extent, reject it. */
need = xfs_alloc_min_freelist(mp, pag);
if (!xfs_alloc_space_available(args, need, flags))
@ -2121,6 +2212,7 @@ xfs_alloc_get_freelist(
agf->agf_flfirst = 0;
pag = xfs_perag_get(mp, be32_to_cpu(agf->agf_seqno));
ASSERT(!pag->pagf_agflreset);
be32_add_cpu(&agf->agf_flcount, -1);
xfs_trans_agflist_delta(tp, -1);
pag->pagf_flcount--;
@ -2226,6 +2318,7 @@ xfs_alloc_put_freelist(
agf->agf_fllast = 0;
pag = xfs_perag_get(mp, be32_to_cpu(agf->agf_seqno));
ASSERT(!pag->pagf_agflreset);
be32_add_cpu(&agf->agf_flcount, 1);
xfs_trans_agflist_delta(tp, 1);
pag->pagf_flcount++;
@ -2417,6 +2510,7 @@ xfs_alloc_read_agf(
pag->pagb_count = 0;
pag->pagb_tree = RB_ROOT;
pag->pagf_init = 1;
pag->pagf_agflreset = xfs_agfl_needs_reset(mp, agf);
}
#ifdef DEBUG
else if (!XFS_FORCED_SHUTDOWN(mp)) {

1
fs/xfs/xfs_mount.h
View file

@ -278,6 +278,7 @@ typedef struct xfs_perag {
char pagi_inodeok; /* The agi is ok for inodes */
__uint8_t pagf_levels[XFS_BTNUM_AGF];
/* # of levels in bno & cnt btree */
bool pagf_agflreset; /* agfl requires reset before use */
__uint32_t pagf_flcount; /* count of blocks in freelist */
xfs_extlen_t pagf_freeblks; /* total free blocks */
xfs_extlen_t pagf_longest; /* longest free space */

9
fs/xfs/xfs_trace.h
View file

@ -1485,7 +1485,7 @@ TRACE_EVENT(xfs_trans_commit_lsn,
__entry->lsn)
);
TRACE_EVENT(xfs_agf,
DECLARE_EVENT_CLASS(xfs_agf_class,
TP_PROTO(struct xfs_mount *mp, struct xfs_agf *agf, int flags,
unsigned long caller_ip),
TP_ARGS(mp, agf, flags, caller_ip),
@ -1541,6 +1541,13 @@ TRACE_EVENT(xfs_agf,
__entry->longest,
(void *)__entry->caller_ip)
);
#define DEFINE_AGF_EVENT(name) \
DEFINE_EVENT(xfs_agf_class, name, \
TP_PROTO(struct xfs_mount *mp, struct xfs_agf *agf, int flags, \
unsigned long caller_ip), \
TP_ARGS(mp, agf, flags, caller_ip))
DEFINE_AGF_EVENT(xfs_agf);
DEFINE_AGF_EVENT(xfs_agfl_reset);
TRACE_EVENT(xfs_free_extent,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, xfs_agblock_t agbno,

2
include/linux/tcp.h
View file

@ -324,7 +324,7 @@ struct tcp_sock {
/* Receiver queue space */
struct {
int space;
u32 space;
u32 seq;
u32 time;
} rcvq_space;

2
include/uapi/linux/nl80211.h
View file

@ -2195,7 +2195,7 @@ enum nl80211_attrs {
#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
#define NL80211_WIPHY_NAME_MAXLEN 128
#define NL80211_WIPHY_NAME_MAXLEN 64
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_HT_RATES 77

13
init/Kconfig
View file

@ -1382,6 +1382,17 @@ source "usr/Kconfig"
endif
choice
prompt "Compiler optimization level"
default CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
config CC_OPTIMIZE_FOR_PERFORMANCE
bool "Optimize for performance"
help
This is the default optimization level for the kernel, building
with the "-O2" compiler flag for best performance and most
helpful compile-time warnings.
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size"
help
@ -1390,6 +1401,8 @@ config CC_OPTIMIZE_FOR_SIZE
If unsure, say N.
endchoice
config SYSCTL
bool

5
kernel/trace/trace_events_trigger.c
View file

@ -469,9 +469,10 @@ clear_event_triggers(struct trace_array *tr)
struct trace_event_file *file;
list_for_each_entry(file, &tr->events, list) {
struct event_trigger_data *data;
list_for_each_entry_rcu(data, &file->triggers, list) {
struct event_trigger_data *data, *n;
list_for_each_entry_safe(data, n, &file->triggers, list) {
trace_event_trigger_enable_disable(file, 0);
list_del_rcu(&data->list);
if (data->ops->free)
data->ops->free(data->ops, data);
}

2
mm/vmscan.c
View file

@ -1331,7 +1331,7 @@ int __isolate_lru_page(struct page *page, isolate_mode_t mode)
return ret;
mapping = page_mapping(page);
migrate_dirty = mapping && mapping->a_ops->migratepage;
migrate_dirty = !mapping || mapping->a_ops->migratepage;
unlock_page(page);
if (!migrate_dirty)
return ret;

10
net/ipv4/tcp_input.c
View file

@ -558,8 +558,8 @@ static inline void tcp_rcv_rtt_measure_ts(struct sock *sk,
void tcp_rcv_space_adjust(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
u32 copied;
int time;
int copied;
time = tcp_time_stamp - tp->rcvq_space.time;
if (time < (tp->rcv_rtt_est.rtt >> 3) || tp->rcv_rtt_est.rtt == 0)
@ -581,12 +581,13 @@ void tcp_rcv_space_adjust(struct sock *sk)
if (sysctl_tcp_moderate_rcvbuf &&
!(sk->sk_userlocks & SOCK_RCVBUF_LOCK)) {
int rcvwin, rcvmem, rcvbuf;
int rcvmem, rcvbuf;
u64 rcvwin;
/* minimal window to cope with packet losses, assuming
* steady state. Add some cushion because of small variations.
*/
rcvwin = (copied << 1) + 16 * tp->advmss;
rcvwin = ((u64)copied << 1) + 16 * tp->advmss;
/* If rate increased by 25%,
* assume slow start, rcvwin = 3 * copied
@ -606,7 +607,8 @@ void tcp_rcv_space_adjust(struct sock *sk)
while (tcp_win_from_space(rcvmem) < tp->advmss)
rcvmem += 128;
rcvbuf = min(rcvwin / tp->advmss * rcvmem, sysctl_tcp_rmem[2]);
do_div(rcvwin, tp->advmss);
rcvbuf = min_t(u64, rcvwin * rcvmem, sysctl_tcp_rmem[2]);
if (rcvbuf > sk->sk_rcvbuf) {
sk->sk_rcvbuf = rcvbuf;

8
security/integrity/ima/ima_appraise.c
View file

@ -383,14 +383,10 @@ int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
result = ima_protect_xattr(dentry, xattr_name, xattr_value,
xattr_value_len);
if (result == 1) {
bool digsig;
if (!xattr_value_len || (xvalue->type >= IMA_XATTR_LAST))
return -EINVAL;
digsig = (xvalue->type == EVM_IMA_XATTR_DIGSIG);
if (!digsig && (ima_appraise & IMA_APPRAISE_ENFORCE))
return -EPERM;
ima_reset_appraise_flags(d_backing_inode(dentry), digsig);
ima_reset_appraise_flags(d_backing_inode(dentry),
(xvalue->type == EVM_IMA_XATTR_DIGSIG) ? 1 : 0);
result = 0;
}
return result;

2
security/selinux/ss/services.c
View file

@ -1441,7 +1441,7 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
scontext_len, &context, def_sid);
if (rc == -EINVAL && force) {
context.str = str;
context.len = scontext_len;
context.len = strlen(str) + 1;
str = NULL;
} else if (rc)
goto out_unlock;

2
sound/soc/intel/common/sst-firmware.c
View file

@ -260,7 +260,6 @@ int sst_dma_new(struct sst_dsp *sst)
struct sst_pdata *sst_pdata = sst->pdata;
struct sst_dma *dma;
struct resource mem;
const char *dma_dev_name;
int ret = 0;
if (sst->pdata->resindex_dma_base == -1)
@ -271,7 +270,6 @@ int sst_dma_new(struct sst_dsp *sst)
* is attached to the ADSP IP. */
switch (sst->pdata->dma_engine) {
case SST_DMA_TYPE_DW:
dma_dev_name = "dw_dmac";
break;
default:
dev_err(sst->dev, "error: invalid DMA engine %d\n",