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authorLinus Torvalds <torvalds@linux-foundation.org>2023-09-04 23:44:11 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-09-04 23:44:11 +0300
commite3b85b07650c0c9d4d2fab82a21fa3dfbfbb9b63 (patch)
treec6f3cdd4af08ebe1c71184eb982489afe728514a /drivers/i2c/busses/i2c-designware-master.c
parent3c31041e37324e143bee98604bb31481e905b4b3 (diff)
parent0ab4bcf0e9471c1a3f5e4721ee486f6ed1a76bac (diff)
downloadlinux-e3b85b07650c0c9d4d2fab82a21fa3dfbfbb9b63.tar.xz
Merge tag 'i2c-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: "I2C has mainly cleanups this time and a few driver improvements. Because a lot of developers were on holidays (including myself) it was a good timing to apply lots of cleanups which would normally cause merge conflicts with other floating patches. Extra thanks go to Andi Shyti who backed me up when I was on a four week hiatus. This is also the reason that some patches were commited later than ideal" * tag 'i2c-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (67 commits) i2c: at91: Use dev_err_probe() instead of dev_err() I2C: ali15x3: Do PCI error checks on own line i2c: Make return value check more accurate and explicit for devm_pinctrl_get() i2c: designware: Add support for recovery when GPIO need pinctrl i2c: mlxcpld: Add support for extended transaction length i2c: mlxcpld: Allow driver to run on ARM64 architecture i2c: nforce2: Do PCI error check on own line i2c: sis5595: Do PCI error checks on own line i2c: qcom-cci: Fix error checking in cci_probe() i2c: muxes: pca954x: Add regulator support i2c: muxes: pca954x: Add MAX735x/MAX736x support dt-bindings: i2c: Add Maxim MAX735x/MAX736x variants dt-bindings: i2c: pca954x: Correct interrupt support i2c: pnx: Use devm_platform_get_and_ioremap_resource() i2c: pxa: Use devm_platform_get_and_ioremap_resource() i2c: s3c2410: Use devm_platform_get_and_ioremap_resource() i2c: sh_mobile: Use devm_platform_get_and_ioremap_resource() i2c: st: Use devm_platform_get_and_ioremap_resource() i2c: qcom-geni: Convert to devm_platform_ioremap_resource() i2c: stm32f4: Use devm_platform_get_and_ioremap_resource() ...
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-master.c')
-rw-r--r--drivers/i2c/busses/i2c-designware-master.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index 24bef0025c98..ca1035e010c7 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -17,6 +17,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
@@ -917,6 +918,17 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev)
return PTR_ERR(gpio);
rinfo->sda_gpiod = gpio;
+ rinfo->pinctrl = devm_pinctrl_get(dev->dev);
+ if (IS_ERR(rinfo->pinctrl)) {
+ if (PTR_ERR(rinfo->pinctrl) == -EPROBE_DEFER)
+ return PTR_ERR(rinfo->pinctrl);
+
+ rinfo->pinctrl = NULL;
+ dev_err(dev->dev, "getting pinctrl info failed: bus recovery might not work\n");
+ } else if (!rinfo->pinctrl) {
+ dev_dbg(dev->dev, "pinctrl is disabled, bus recovery might not work\n");
+ }
+
rinfo->recover_bus = i2c_generic_scl_recovery;
rinfo->prepare_recovery = i2c_dw_prepare_recovery;
rinfo->unprepare_recovery = i2c_dw_unprepare_recovery;