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Merge tag 'i2c-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

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Pull i2c fixes from Wolfram Sang:
 "MAINTAINERS rectifications and a few minor driver fixes"

* tag 'i2c-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: mediatek: Fix an error handling path in mtk_i2c_probe()
  i2c: designware: Use standard optional ref clock implementation
  MAINTAINERS: core DT include belongs to core
  MAINTAINERS: add include/dt-bindings/i2c to I2C SUBSYSTEM HOST DRIVERS
  i2c: npcm7xx: Add check for platform_driver_register
  MAINTAINERS: Update Synopsys DesignWare I2C to Supported
This commit is contained in:
Linus Torvalds
2022-06-19 09:35:09 -05:00
parent 063232b6c4 de87b603b0
commit ee4eb6eeaf
5 changed files with 22 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
MAINTAINERS
View File

@@ -9276,6 +9276,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
F: Documentation/devicetree/bindings/i2c/i2c.txt
F: Documentation/i2c/
F: drivers/i2c/*
F: include/dt-bindings/i2c/i2c.h
F: include/linux/i2c-dev.h
F: include/linux/i2c-smbus.h
F: include/linux/i2c.h
@@ -9291,6 +9292,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git
F: Documentation/devicetree/bindings/i2c/
F: drivers/i2c/algos/
F: drivers/i2c/busses/
F: include/dt-bindings/i2c/
I2C-TAOS-EVM DRIVER
M: Jean Delvare <jdelvare@suse.com>
@@ -19305,7 +19307,7 @@ R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
R: Mika Westerberg <mika.westerberg@linux.intel.com>
R: Jan Dabros <jsd@semihalf.com>
L: linux-i2c@vger.kernel.org
S: Maintained
S: Supported
F: drivers/i2c/busses/i2c-designware-*
SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER

3
drivers/i2c/busses/i2c-designware-common.c
View File

@@ -477,9 +477,6 @@ int i2c_dw_prepare_clk(struct dw_i2c_dev *dev, bool prepare)
{
int ret;
if (IS_ERR(dev->clk))
return PTR_ERR(dev->clk);
if (prepare) {
/* Optional interface clock */
ret = clk_prepare_enable(dev->pclk);

13
drivers/i2c/busses/i2c-designware-platdrv.c
View File

@@ -320,8 +320,17 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
goto exit_reset;
}
dev->clk = devm_clk_get(&pdev->dev, NULL);
if (!i2c_dw_prepare_clk(dev, true)) {
dev->clk = devm_clk_get_optional(&pdev->dev, NULL);
if (IS_ERR(dev->clk)) {
ret = PTR_ERR(dev->clk);
goto exit_reset;
}
ret = i2c_dw_prepare_clk(dev, true);
if (ret)
goto exit_reset;
if (dev->clk) {
u64 clk_khz;
dev->get_clk_rate_khz = i2c_dw_get_clk_rate_khz;

9
drivers/i2c/busses/i2c-mt65xx.c
View File

@@ -1420,17 +1420,22 @@ static int mtk_i2c_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev,
"Request I2C IRQ %d fail\n", irq);
return ret;
goto err_bulk_unprepare;
}
i2c_set_adapdata(&i2c->adap, i2c);
ret = i2c_add_adapter(&i2c->adap);
if (ret)
return ret;
goto err_bulk_unprepare;
platform_set_drvdata(pdev, i2c);
return 0;
err_bulk_unprepare:
clk_bulk_unprepare(I2C_MT65XX_CLK_MAX, i2c->clocks);
return ret;
}
static int mtk_i2c_remove(struct platform_device *pdev)

3
drivers/i2c/busses/i2c-npcm7xx.c
View File

@@ -2372,8 +2372,7 @@ static struct platform_driver npcm_i2c_bus_driver = {
static int __init npcm_i2c_init(void)
{
npcm_i2c_debugfs_dir = debugfs_create_dir("npcm_i2c", NULL);
platform_driver_register(&npcm_i2c_bus_driver);
return 0;
return platform_driver_register(&npcm_i2c_bus_driver);
}
module_init(npcm_i2c_init);