A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-14 00:24:41 -04:00
Code Issues Projects Releases Packages Wiki Activity

clk: qcom: smd-rpm: Add panic notifier in HOLI

Browse source 
Add panic notifier support to stop bimc logging
in HOLI.

Change-Id: I3721ccf2de5762033b37defa021f85914234e684
Signed-off-by: Saurabh Sahu <sausah@codeaurora.org>
This commit is contained in:
Saurabh Sahu 2020-08-06 14:46:53 +05:30
commit f0597674ab
1 changed files with 35 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

35
drivers/clk/qcom/clk-smd-rpm.c
View file

@ -827,6 +827,8 @@ DEFINE_CLK_SMD_RPM(holi, snoc_lpass_clk, snoc_lpass_a_clk,
QCOM_SMD_RPM_BUS_CLK, 5);
DEFINE_CLK_SMD_RPM(holi, hwkm_clk, hwkm_a_clk, QCOM_SMD_RPM_HWKM_CLK, 0);
DEFINE_CLK_SMD_RPM(holi, pka_clk, pka_a_clk, QCOM_SMD_RPM_PKA_CLK, 0);
DEFINE_CLK_SMD_RPM_BRANCH(holi, bimc_freq_log, bimc_freq_log_a,
QCOM_SMD_RPM_MISC_CLK, 4, 1);
/* SMD_XO_BUFFER */
DEFINE_CLK_SMD_RPM_XO_BUFFER(holi, ln_bb_clk2, ln_bb_clk2_a,
@ -872,6 +874,7 @@ static struct clk_hw *holi_clks[] = {
[RPM_SMD_HWKM_A_CLK] = &holi_hwkm_a_clk.hw,
[RPM_SMD_PKA_CLK] = &holi_pka_clk.hw,
[RPM_SMD_PKA_A_CLK] = &holi_pka_a_clk.hw,
[RPM_SMD_BIMC_FREQ_LOG] = &holi_bimc_freq_log.hw,
};
static const struct rpm_smd_clk_desc rpm_clk_holi = {
@ -890,6 +893,34 @@ static const struct of_device_id rpm_smd_clk_match_table[] = {
};
MODULE_DEVICE_TABLE(of, rpm_smd_clk_match_table);
static int smd_rpm_clk_panic_callback(struct notifier_block *nfb,
unsigned long event, void *unused)
{
struct clk_hw *hw = &holi_bimc_freq_log.hw;
struct clk_smd_rpm *r = to_clk_smd_rpm(hw);
uint32_t rate = 1;
void *ret;
struct msm_rpm_kvp req = {
.key = r->rpm_key,
.data = (void *)&rate,
.length = sizeof(rate),
};
ret = msm_rpm_send_message_noack(QCOM_SMD_RPM_ACTIVE_STATE,
r->rpm_res_type, r->rpm_clk_id, &req, 1);
if (IS_ERR(ret))
pr_err("BIMC Stop logging request failed\n");
return NOTIFY_OK;
}
static struct notifier_block smd_rpm_clk_panic_notifier = {
.notifier_call = smd_rpm_clk_panic_callback,
.priority = 1,
};
static struct clk_hw *qcom_smdrpm_clk_hw_get(struct of_phandle_args *clkspec,
void *data)
{
@ -980,6 +1011,10 @@ static int rpm_smd_clk_probe(struct platform_device *pdev)
clk_prepare_enable(holi_snoc_a_clk.hw.clk);
}
if (of_property_read_bool(pdev->dev.of_node, "qcom,bimc-log-stop"))
atomic_notifier_chain_register(&panic_notifier_list,
&smd_rpm_clk_panic_notifier);
dev_info(&pdev->dev, "Registered RPM clocks\n");
return 0;