openwrt/target/linux/layerscape/patches-5.4/801-audio-0049-MLK-17580-ASoC-fsl-sai-check-for-pinctrl-status.patch
John Audia b4c02c9998 kernel: bump 5.4 to 5.4.73
Removed upstreamed patches:
 generic/pending-5.4
   445-mtd-spinand-gigadevice-Only-one-dummy-byte-in-QUA.patch
   446-mtd-spinand-gigadevice-Add-QE-Bit.patch
 pistachio/patches-5.4
   150-pwm-img-Fix-null-pointer-access-in-probe.patch

Manually rebased:
 layerscape/patches-5.4
   801-audio-0011-Revert-ASoC-fsl_sai-add-of_match-data.patch
   801-audio-0039-MLK-16224-6-ASoC-fsl_sai-fix-DSD-suspend-resume.patch
   801-audio-0073-MLK-21957-3-ASoC-fsl_sai-add-bitcount-and-timestamp-.patch
   820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh.patch

All modifications made by update_kernel.sh

Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711,
              mvebu (mamba, rango), x86_64, ramips/mt7621
Run-tested: ipq806x/R7800, mvebu (mamba, rango), x86_64, ramips (RT-AC57U)

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
[alter 820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-11-01 14:44:06 +01:00

61 lines
2.0 KiB
Diff

From 12b887445779c33285dac5279fc02fd80e0800d8 Mon Sep 17 00:00:00 2001
From: Viorel Suman <viorel.suman@nxp.com>
Date: Fri, 9 Mar 2018 12:41:42 +0200
Subject: [PATCH] MLK-17580: ASoC: fsl: sai: check for pinctrl status
For some cases (like AMIX) pinctrl may be null - this
breaks SAI functionality. Enforce pinctrl null pointer
checking prior calling any function which involves
pins state changes.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
---
sound/soc/fsl/fsl_sai.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -530,14 +530,17 @@ static int fsl_sai_hw_params(struct snd_
pins = DIV_ROUND_UP(channels, slots);
sai->is_dsd = fsl_is_dsd(params);
- sai->pins_state = fsl_get_pins_state(sai->pinctrl, params);
- if (!IS_ERR_OR_NULL(sai->pins_state)) {
- ret = pinctrl_select_state(sai->pinctrl, sai->pins_state);
- if (ret) {
- dev_err(cpu_dai->dev,
- "failed to set proper pins state: %d\n", ret);
- return ret;
+ if (!IS_ERR_OR_NULL(sai->pinctrl)) {
+ sai->pins_state = fsl_get_pins_state(sai->pinctrl, params);
+
+ if (!IS_ERR_OR_NULL(sai->pins_state)) {
+ ret = pinctrl_select_state(sai->pinctrl, sai->pins_state);
+ if (ret) {
+ dev_err(cpu_dai->dev,
+ "failed to set proper pins state: %d\n", ret);
+ return ret;
+ }
}
}
@@ -920,7 +923,7 @@ static int fsl_sai_dai_resume(struct snd
struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai);
int ret;
- if (!IS_ERR_OR_NULL(sai->pins_state)) {
+ if (!IS_ERR_OR_NULL(sai->pinctrl) && !IS_ERR_OR_NULL(sai->pins_state)) {
ret = pinctrl_select_state(sai->pinctrl, sai->pins_state);
if (ret) {
dev_err(cpu_dai->dev,
@@ -1346,7 +1349,7 @@ static int fsl_sai_probe(struct platform
sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;
sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX;
- sai->pinctrl = devm_pinctrl_get(&pdev->dev);
+ sai->pinctrl = devm_pinctrl_get(&pdev->dev);
platform_set_drvdata(pdev, sai);