From: sunil.m@techveda.org Subject: [PATCH] staging: ccree: Convert to platform_{get,set}_drvdata() Date: Thu, 21 Sep 2017 16:59:04 +0530 Message-ID: <1505993344-18304-1-git-send-email-sunil.m@techveda.org> Cc: linux-crypto@vger.kernel.org, driverdev-devel@linuxdriverproject.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, karthik@techveda.org, Suniel Mahesh To: gilad@benyossef.com, gregkh@linuxfoundation.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org From: Suniel Mahesh Platform devices are expected to use wrapper functions, platform_{get,set}_drvdata() with platform_device as argument, for getting and setting the driver data. dev_{get,set}_drvdata() are using &plat_dev->dev. For wrapper functions we can directly pass a struct platform_device. dev_set_drvdata() is redundant and therefore removed. The driver core clears the driver data to NULL after device_release or on probe failure. Signed-off-by: Suniel Mahesh --- Note: - Patch was tested and built(ARCH=arm) on next-20170921. No build issues reported, however it was not tested on real hardware. --- drivers/staging/ccree/ssi_driver.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/ccree/ssi_driver.c b/drivers/staging/ccree/ssi_driver.c index 6d16220..53b4a8c 100644 --- a/drivers/staging/ccree/ssi_driver.c +++ b/drivers/staging/ccree/ssi_driver.c @@ -236,7 +236,7 @@ static int init_cc_resources(struct platform_device *plat_dev) rc = -ENOMEM; goto post_drvdata_err; } - dev_set_drvdata(&plat_dev->dev, new_drvdata); + platform_set_drvdata(plat_dev, new_drvdata); new_drvdata->plat_dev = plat_dev; new_drvdata->clk = of_clk_get(np, 0); @@ -415,7 +415,6 @@ static int init_cc_resources(struct platform_device *plat_dev) cc_clk_off(new_drvdata); post_drvdata_err: SSI_LOG_ERR("ccree init error occurred!\n"); - dev_set_drvdata(&plat_dev->dev, NULL); return rc; } @@ -429,7 +428,7 @@ void fini_cc_regs(struct ssi_drvdata *drvdata) static void cleanup_cc_resources(struct platform_device *plat_dev) { struct ssi_drvdata *drvdata = - (struct ssi_drvdata *)dev_get_drvdata(&plat_dev->dev); + (struct ssi_drvdata *)platform_get_drvdata(plat_dev); ssi_aead_free(drvdata); ssi_hash_free(drvdata); @@ -445,7 +444,6 @@ static void cleanup_cc_resources(struct platform_device *plat_dev) #endif fini_cc_regs(drvdata); cc_clk_off(drvdata); - dev_set_drvdata(&plat_dev->dev, NULL); } int cc_clk_on(struct ssi_drvdata *drvdata) -- 1.9.1