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msm: ipa3: Add proper checks for low lat pipe and 32-bit specific

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For some targets lowlat support is not present.
Add changes to check if low lat support is present
or not. Also for 32-bit targets observed count shift error.
Added proper checks to overcome the issue.

Change-Id: Iab3b7d460b48ce8ff4e98da297eb2e7b69e3db13
Signed-off-by: Praveen Kurapati <pkurapat@codeaurora.org>
This commit is contained in:
Praveen Kurapati 2021-02-09 15:48:08 +05:30
commit 94386db8e6
4 changed files with 17 additions and 11 deletions
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5
drivers/platform/msm/gsi/gsi_dbg.c
View file

@ -681,8 +681,9 @@ static ssize_t gsi_read_gsi_hw_profiling_stats(struct file *file,
totalCycles = stats.mcs_busy_cnt + stats.mcs_idle_cnt +
stats.bp_and_pending_cnt;
if (totalCycles != 0)
util = (100 * (stats.mcs_busy_cnt + stats.bp_and_pending_cnt)) /
totalCycles;
util = div_u64(
100 * (stats.mcs_busy_cnt + stats.bp_and_pending_cnt),
totalCycles);
else
util = 0;

13
drivers/platform/msm/ipa/ipa_v3/ipa.c
View file

@ -7629,11 +7629,14 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p,
goto fail_wwan_init;
}
result = ipa3_rmnet_ctl_init();
if (result) {
IPAERR(":ipa3_rmnet_ctl_init err=%d\n", -result);
result = -ENODEV;
goto fail_rmnet_ctl_init;
if (ipa3_ctx->rmnet_ctl_enable) {
result = ipa3_rmnet_ctl_init();
if (result) {
IPAERR(":ipa3_rmnet_ctl_init err=%d\n",
-result);
result = -ENODEV;
goto fail_rmnet_ctl_init;
}
}
}
mutex_init(&ipa3_ctx->app_clock_vote.mutex);

2
drivers/platform/msm/ipa/ipa_v3/ipa_wdi3_i.c
View file

@ -484,7 +484,7 @@ static int ipa3_wdi_gsi_db(phys_addr_t* db_addr, struct ipa3_ep_context *ep_ctx)
/* write channel scratch */
memset(&gsi_ch_scratch, 0, sizeof(gsi_ch_scratch));
gsi_ch_scratch.wdi3.db_addr_wp_lsb = (u32)mem.phys_base;
gsi_ch_scratch.wdi3.db_addr_wp_msb = (u32)(mem.phys_base >> 32);
gsi_ch_scratch.wdi3.db_addr_wp_msb = (u32)((mem.phys_base & 0xFFFFFFFF00000000) >> 32);
IPADBG("gsi written lsb value 0x%x\n", gsi_ch_scratch.wdi3.db_addr_wp_lsb);
IPADBG("gsi written msb value 0x%x\n", gsi_ch_scratch.wdi3.db_addr_wp_msb);

8
drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
View file

@ -2755,9 +2755,11 @@ static int ipa3_wwan_remove(struct platform_device *pdev)
IPAWANINFO("rmnet_ipa started deinitialization\n");
mutex_lock(&rmnet_ipa3_ctx->pipe_handle_guard);
ret = ipa3_teardown_apps_low_lat_pipes();
if (ret < 0)
IPAWANERR("Failed to teardown IPA->APPS qmap pipe\n");
if (ipa3_ctx->rmnet_ctl_enable) {
ret = ipa3_teardown_apps_low_lat_pipes();
if (ret < 0)
IPAWANERR("Failed to teardown IPA->APPS qmap pipe\n");
}
ret = ipa3_teardown_sys_pipe(rmnet_ipa3_ctx->ipa3_to_apps_hdl);
if (ret < 0)
IPAWANERR("Failed to teardown IPA->APPS pipe\n");