From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-i2c@vger.kernel.org
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-renesas-soc@vger.kernel.org,
Hans de Goede <hdegoede@redhat.com>,
Baolin Wang <baolin.wang@linaro.org>,
Orson Zhai <orsonzhai@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: [RFC/RFT 07/10] i2c: sprd: use core helper to mark adapter suspended
Date: Mon, 10 Dec 2018 22:03:05 +0100 [thread overview]
Message-ID: <20181210210310.12677-8-wsa+renesas@sang-engineering.com> (raw)
In-Reply-To: <20181210210310.12677-1-wsa+renesas@sang-engineering.com>
Rejecting transfers should be handled by the core.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/i2c/busses/i2c-sprd.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index e266d8a713d9..acbaf5fd29ee 100644
--- a/drivers/i2c/busses/i2c-sprd.c
+++ b/drivers/i2c/busses/i2c-sprd.c
@@ -86,7 +86,6 @@ struct sprd_i2c {
u32 count;
int irq;
int err;
- bool is_suspended;
};
static void sprd_i2c_set_count(struct sprd_i2c *i2c_dev, u32 count)
@@ -284,9 +283,6 @@ static int sprd_i2c_master_xfer(struct i2c_adapter *i2c_adap,
struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
int im, ret;
- if (i2c_dev->is_suspended)
- return -EBUSY;
-
ret = pm_runtime_get_sync(i2c_dev->dev);
if (ret < 0)
return ret;
@@ -590,10 +586,7 @@ static int __maybe_unused sprd_i2c_suspend_noirq(struct device *dev)
{
struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = true;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
-
+ i2c_mark_adapter_suspended(&i2c_dev->adap, true);
return pm_runtime_force_suspend(dev);
}
@@ -601,10 +594,7 @@ static int __maybe_unused sprd_i2c_resume_noirq(struct device *dev)
{
struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = false;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
-
+ i2c_mark_adapter_suspended(&i2c_dev->adap, false);
return pm_runtime_force_resume(dev);
}
--
2.11.0
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next prev parent reply other threads:[~2018-12-10 21:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-10 21:02 [RFC/RFT 00/10] i2c: move handling of suspended adapters to the core Wolfram Sang
2018-12-10 21:02 ` [RFC/RFT 01/10] i2c: add 'is_suspended' flag for i2c adapters Wolfram Sang
2018-12-10 22:03 ` Peter Rosin
2018-12-18 23:33 ` Wolfram Sang
2018-12-19 9:39 ` Geert Uytterhoeven
2018-12-19 16:31 ` Wolfram Sang
2018-12-10 21:03 ` [RFC/RFT 02/10] i2c: reject new transfers when adapters are suspended Wolfram Sang
2018-12-10 21:03 ` [RFC/RFT 03/10] i2c: synquacer: remove unused is_suspended flag Wolfram Sang
2018-12-10 21:04 ` Ard Biesheuvel
2018-12-10 21:03 ` [RFC/RFT 04/10] i2c: brcmstb: use core helper to mark adapter suspended Wolfram Sang
2018-12-11 16:44 ` Kamal Dasu
2018-12-10 21:03 ` [RFC/RFT 05/10] i2c: zx2967: " Wolfram Sang
2018-12-11 2:12 ` Shawn Guo
2018-12-10 21:03 ` [RFC/RFT 06/10] i2c: sprd: don't use pdev as variable name for struct device * Wolfram Sang
2018-12-10 21:03 ` Wolfram Sang [this message]
2018-12-10 21:03 ` [RFC/RFT 08/10] i2c: exynos5: use core helper to mark adapter suspended Wolfram Sang
2018-12-18 11:23 ` Marek Szyprowski
2018-12-18 19:52 ` Wolfram Sang
2018-12-10 21:03 ` [RFC/RFT 09/10] i2c: s3c2410: " Wolfram Sang
2018-12-18 11:24 ` Marek Szyprowski
2018-12-10 21:03 ` [RFC/RFT 10/10] i2c: rcar: add suspend/resume support Wolfram Sang
2018-12-10 21:52 ` Peter Rosin
2018-12-18 23:47 ` Wolfram Sang
2018-12-11 19:24 ` [RFC/RFT 00/10] i2c: move handling of suspended adapters to the core Hans de Goede
2018-12-11 23:41 ` Wolfram Sang
2018-12-12 10:09 ` Hans de Goede
2018-12-18 20:17 ` Wolfram Sang
2018-12-18 21:44 ` Hans de Goede
2018-12-18 23:32 ` Wolfram Sang
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