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net: cnss_sdio: add PM QoS support in cnss sdio platform driver

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To improve the wlan throughput add power management quality
of service support in cnss sdio platform driver. The cnss sdio
platform driver export PM QoS API to wlan host driver.

CRs-Fixed: 970872
Change-Id: Idcea4cde74b280b26706be1bd88b822de80c0ff3
Signed-off-by: Sarada Prasanna Garnayak <sgarna@codeaurora.org>
This commit is contained in:
Sarada Prasanna Garnayak 2016-02-02 15:51:29 +05:30 • committed by David Keitel
parent f087bb3d9a
commit ac0f3e75de
1 changed files with 30 additions and 0 deletions
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30
drivers/net/wireless/cnss/cnss_sdio.c
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@ -27,6 +27,7 @@
#include <soc/qcom/ramdump.h>
#include <soc/qcom/memory_dump.h>
#include <net/cnss.h>
#include <linux/pm_qos.h>
#define WLAN_VREG_NAME "vdd-wlan"
#define WLAN_VREG_DSRC_NAME "vdd-wlan-dsrc"
@ -87,6 +88,7 @@ static struct cnss_sdio_data {
struct cnss_unsafe_channel_list unsafe_list;
struct cnss_sdio_info cnss_sdio_info;
struct cnss_ssr_info ssr_info;
struct pm_qos_request qos_request;
} *cnss_pdata;
#define WLAN_RECOVERY_DELAY 1
@ -135,6 +137,34 @@ static const struct sdio_device_id ar6k_id_table[] = {
};
MODULE_DEVICE_TABLE(sdio, ar6k_id_table);
int cnss_request_bus_bandwidth(int bandwidth)
{
return 0;
}
EXPORT_SYMBOL(cnss_request_bus_bandwidth);
void cnss_request_pm_qos(u32 qos_val)
{
if (!cnss_pdata)
return;
pr_debug("%s: PM QoS value: %d\n", __func__, qos_val);
pm_qos_add_request(
&cnss_pdata->qos_request,
PM_QOS_CPU_DMA_LATENCY, qos_val);
}
EXPORT_SYMBOL(cnss_request_pm_qos);
void cnss_remove_pm_qos(void)
{
if (!cnss_pdata)
return;
pm_qos_remove_request(&cnss_pdata->qos_request);
pr_debug("%s: PM QoS removed\n", __func__);
}
EXPORT_SYMBOL(cnss_remove_pm_qos);
int cnss_set_wlan_unsafe_channel(u16 *unsafe_ch_list, u16 ch_count)
{
struct cnss_unsafe_channel_list *unsafe_list;