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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-05 01:48:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-05 01:48:29 +0300 |
| commit | b01fe98d34f3bed944a93bd8119fed80c856fad8 (patch) | |
| tree | b4765707dab0a2db91467a15b47f0aaf3d30e2dd /drivers | |
| parent | e77d587a2c04e82c6a0dffa4a32c874a4029385d (diff) | |
| parent | 65609d3206f784489eb1ebd6fce64b84a42cc63c (diff) | |
| download | linux-b01fe98d34f3bed944a93bd8119fed80c856fad8.tar.xz | |
Merge tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"Some improvements/fixes for the newly added GXP driver and a Kconfig
dependency fix"
* tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: gxp: fix an error code in probe
i2c: gxp: return proper error on address NACK
i2c: gxp: remove "empty" switch statement
i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-gxp.c | 21 |
2 files changed, 7 insertions, 15 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 9b8e84f20604..25eb4e8fd22f 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -914,6 +914,7 @@ config I2C_PASEMI config I2C_APPLE tristate "Apple SMBus platform driver" + depends on !I2C_PASEMI depends on ARCH_APPLE || COMPILE_TEST default ARCH_APPLE help diff --git a/drivers/i2c/busses/i2c-gxp.c b/drivers/i2c/busses/i2c-gxp.c index da4c8e5a8039..d4b55d989a26 100644 --- a/drivers/i2c/busses/i2c-gxp.c +++ b/drivers/i2c/busses/i2c-gxp.c @@ -126,22 +126,13 @@ static int gxp_i2c_master_xfer(struct i2c_adapter *adapter, time_left = wait_for_completion_timeout(&drvdata->completion, adapter->timeout); ret = num - drvdata->msgs_remaining; - if (time_left == 0) { - switch (drvdata->state) { - case GXP_I2C_WDATA_PHASE: - break; - case GXP_I2C_RDATA_PHASE: - break; - case GXP_I2C_ADDR_PHASE: - break; - default: - break; - } + if (time_left == 0) return -ETIMEDOUT; - } - if (drvdata->state == GXP_I2C_ADDR_NACK || - drvdata->state == GXP_I2C_DATA_NACK) + if (drvdata->state == GXP_I2C_ADDR_NACK) + return -ENXIO; + + if (drvdata->state == GXP_I2C_DATA_NACK) return -EIO; return ret; @@ -525,7 +516,7 @@ static int gxp_i2c_probe(struct platform_device *pdev) i2cg_map = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "hpe,sysreg"); if (IS_ERR(i2cg_map)) { - return dev_err_probe(&pdev->dev, IS_ERR(i2cg_map), + return dev_err_probe(&pdev->dev, PTR_ERR(i2cg_map), "failed to map i2cg_handle\n"); } |