evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

msm: pcie: remove PCIe CX rail vote when releasing resources

Browse source 
Current PMIC API call to disable CX rail does not remove
PCIe power vote. Add another API call to successfully
remove vote when releasing this resource.

Change-Id: I5203203e10e8e690745768c241e92d298b87cc4b
Signed-off-by: Tony Truong <truong@codeaurora.org>
This commit is contained in:
Tony Truong 2015-07-27 11:18:02 -07:00 • committed by David Keitel
parent c7d5843606
commit 2fffc92925
1 changed files with 23 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
drivers/pci/host/pci-msm.c
View file

@ -26,6 +26,7 @@
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/rpm-smd-regulator.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/of_gpio.h>
@ -2718,8 +2719,19 @@ int msm_pcie_vreg_init(struct msm_pcie_dev_t *dev)
if (rc)
while (i--) {
struct regulator *hdl = dev->vreg[i].hdl;
if (hdl)
if (hdl) {
regulator_disable(hdl);
if (!strcmp(dev->vreg[i].name, "vreg-cx")) {
PCIE_DBG(dev,
"RC%d: Removing %s vote.\n",
dev->rc_idx,
dev->vreg[i].name);
regulator_set_voltage(hdl,
RPM_REGULATOR_CORNER_NONE,
INT_MAX);
}
}
}
PCIE_DBG(dev, "RC%d: exit\n", dev->rc_idx);
@ -2738,6 +2750,16 @@ static void msm_pcie_vreg_deinit(struct msm_pcie_dev_t *dev)
PCIE_DBG(dev, "Vreg %s is being disabled\n",
dev->vreg[i].name);
regulator_disable(dev->vreg[i].hdl);
if (!strcmp(dev->vreg[i].name, "vreg-cx")) {
PCIE_DBG(dev,
"RC%d: Removing %s vote.\n",
dev->rc_idx,
dev->vreg[i].name);
regulator_set_voltage(dev->vreg[i].hdl,
RPM_REGULATOR_CORNER_NONE,
INT_MAX);
}
}
}