linux-kernel - [PATCH v2 2/5] i2c: eg20t: Remove suspension check

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Message-Id: <1405608520-5644-2-git-send-email-hechtb@gmail.com>
Date:	Thu, 17 Jul 2014 16:48:37 +0200
From:	Bastian Hecht <hechtb@...il.com>
To:	linux-i2c@...r.kernel.org
Cc:	Linux-SH <linux-sh@...r.kernel.org>,
	Tomoya MORINAGA <tomoya.rohm@...il.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	linux-arm-kernel@...ts.infradead.org,
	Bastian Hecht <hechtb@...il.com>,
	Jingoo Han <jg1.han@...sung.com>,
	Jean Delvare <jdelvare@...e.de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Andreas Werner <wernerandy@....de>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 2/5] i2c: eg20t: Remove suspension check

We now take care of suspension in the i2c core code. So we can remove this
check here.

Signed-off-by: Bastian Hecht <hechtb@...il.com>
---
same as v1

 drivers/i2c/busses/i2c-eg20t.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index a44ea13..aae0413 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -162,15 +162,12 @@ struct i2c_algo_pch_data {
  * struct adapter_info - This structure holds the adapter information for the
 			 PCH i2c controller
  * @pch_data:		stores a list of i2c_algo_pch_data
- * @pch_i2c_suspended:	specifies whether the system is suspended or not
- *			perhaps with more lines and words.
  * @ch_num:		specifies the number of i2c instance
  *
  * pch_data has as many elements as maximum I2C channels
  */
 struct adapter_info {
 	struct i2c_algo_pch_data pch_data[PCH_I2C_MAX_DEV];
-	bool pch_i2c_suspended;
 	int ch_num;
 };
 
@@ -677,13 +674,6 @@ static s32 pch_i2c_xfer(struct i2c_adapter *i2c_adap,
 	if (ret)
 		return ret;
 
-	if (adap->p_adapter_info->pch_i2c_suspended) {
-		mutex_unlock(&pch_mutex);
-		return -EBUSY;
-	}
-
-	pch_dbg(adap, "adap->p_adapter_info->pch_i2c_suspended is %d\n",
-		adap->p_adapter_info->pch_i2c_suspended);
 	/* transfer not completed */
 	adap->pch_i2c_xfer_in_progress = true;
 
@@ -786,7 +776,6 @@ static int pch_i2c_probe(struct pci_dev *pdev,
 
 	for (i = 0; i < adap_info->ch_num; i++) {
 		pch_adap = &adap_info->pch_data[i].pch_adapter;
-		adap_info->pch_i2c_suspended = false;
 
 		adap_info->pch_data[i].p_adapter_info = adap_info;
 
@@ -862,8 +851,6 @@ static int pch_i2c_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct adapter_info *adap_info = pci_get_drvdata(pdev);
 	void __iomem *p = adap_info->pch_data[0].pch_base_address;
 
-	adap_info->pch_i2c_suspended = true;
-
 	for (i = 0; i < adap_info->ch_num; i++) {
 		while ((adap_info->pch_data[i].pch_i2c_xfer_in_progress)) {
 			/* Wait until all channel transfers are completed */
@@ -912,8 +899,6 @@ static int pch_i2c_resume(struct pci_dev *pdev)
 	for (i = 0; i < adap_info->ch_num; i++)
 		pch_i2c_init(&adap_info->pch_data[i]);
 
-	adap_info->pch_i2c_suspended = false;
-
 	return 0;
 }
 #else
-- 
1.9.1

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