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Merge "msm: adsprpc: remove use of vfs_stat API in the fastrpc driver"

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qctecmdr 2020-07-22 12:28:38 -07:00 • committed by Gerrit - the friendly Code Review server
commit 8a429d00aa
1 changed files with 4 additions and 40 deletions
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44
drivers/char/adsprpc.c
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@ -16,7 +16,6 @@
#include <linux/completion.h>
#include <linux/pagemap.h>
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/module.h>
@ -32,7 +31,6 @@
#include <soc/qcom/service-notifier.h>
#include <soc/qcom/service-locator.h>
#include <linux/scatterlist.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/device.h>
#include <linux/of.h>
@ -3518,19 +3516,6 @@ bail:
return err;
}
static int fastrpc_kstat(const char *filename, struct kstat *stat)
{
int result;
mm_segment_t fs_old;
fs_old = get_fs();
set_fs(KERNEL_DS);
result = vfs_stat((const char __user *)filename, stat);
set_fs(fs_old);
return result;
}
static int fastrpc_send_cpuinfo_to_dsp(struct fastrpc_file *fl)
{
int err = 0;
@ -3573,35 +3558,14 @@ static int fastrpc_get_info_from_dsp(struct fastrpc_file *fl,
uint32_t dsp_attr_buf_len,
uint32_t domain)
{
int err = 0, dsp_support = 0;
int err = 0;
struct fastrpc_ioctl_invoke_async ioctl;
remote_arg_t ra[2];
struct kstat sb;
// Querying device about DSP support
switch (domain) {
case ADSP_DOMAIN_ID:
if (!fastrpc_kstat("/dev/subsys_adsp", &sb))
dsp_support = 1;
break;
case MDSP_DOMAIN_ID:
//Modem not supported for fastRPC
break;
case SDSP_DOMAIN_ID:
if (!fastrpc_kstat("/dev/subsys_slpi", &sb))
dsp_support = 1;
break;
case CDSP_DOMAIN_ID:
if (!fastrpc_kstat("/dev/subsys_cdsp", &sb))
dsp_support = 1;
break;
default:
dsp_support = 0;
break;
}
dsp_attr_buf[0] = dsp_support;
dsp_attr_buf[0] = 0; // Capability filled in userspace
if (dsp_support == 0)
// Fastrpc to modem not supported
if (domain == MDSP_DOMAIN_ID)
goto bail;
err = fastrpc_channel_open(fl);