[PATCH v2 4/9] i2c: brcmstb: don't open code to reject transfers when suspended
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: 2018-12-22 20:26:43
Also in:
linux-i2c, linux-pm, linux-renesas-soc, lkml
Subsystem:
broadcom brcmstb i2c driver, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Kamal Dasu, Andi Shyti, Linus Torvalds
This is handled by the I2C core meanwhile. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- drivers/i2c/busses/i2c-brcmstb.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-)
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 826d32049996..f6fd5dd638ac 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c@@ -170,7 +170,6 @@ struct brcmstb_i2c_dev { struct bsc_regs *bsc_regmap; struct i2c_adapter adapter; struct completion done; - bool is_suspended; u32 clk_freq_hz; int data_regsz; };
@@ -467,9 +466,6 @@ static int brcmstb_i2c_xfer(struct i2c_adapter *adapter, int xfersz = brcmstb_i2c_get_xfersz(dev); u32 cond, cond_per_msg; - if (dev->is_suspended) - return -EBUSY; - /* Loop through all messages */ for (i = 0; i < num; i++) { pmsg = &msgs[i];
@@ -685,32 +681,16 @@ static int brcmstb_i2c_remove(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int brcmstb_i2c_suspend(struct device *dev) -{ - struct brcmstb_i2c_dev *i2c_dev = dev_get_drvdata(dev); - - i2c_lock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); - i2c_dev->is_suspended = true; - i2c_unlock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); - - return 0; -} - static int brcmstb_i2c_resume(struct device *dev) { struct brcmstb_i2c_dev *i2c_dev = dev_get_drvdata(dev); - i2c_lock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); brcmstb_i2c_set_bsc_reg_defaults(i2c_dev); - i2c_dev->is_suspended = false; - i2c_unlock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); - return 0; } #endif -static SIMPLE_DEV_PM_OPS(brcmstb_i2c_pm, brcmstb_i2c_suspend, - brcmstb_i2c_resume); +static SIMPLE_DEV_PM_OPS(brcmstb_i2c_pm, NULL, brcmstb_i2c_resume); static const struct of_device_id brcmstb_i2c_of_match[] = { {.compatible = "brcm,brcmstb-i2c"},
--
2.19.1
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