From 176eb927744201ba95ca9a85c2f9af457559374f Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 4 Mar 2019 20:39:11 +0100 Subject: [PATCH] scsi: ufs: hisi: fix ufs_hba_variant_ops passing Without CONFIG_OF, the of_match_node() helper does not evaluate its argument, and the compiler warns about the unused variable: drivers/scsi/ufs/ufs-hisi.c: In function 'ufs_hisi_probe': drivers/scsi/ufs/ufs-hisi.c:673:17: error: unused variable 'dev' [-Werror=unused-variable] Rework this code to pass the data directly, and while we're at it, correctly handle the const pointers. Fixes: 653fcb07d95e ("scsi: ufs: Add HI3670 SoC UFS driver support") Signed-off-by: Arnd Bergmann Reviewed-by: Avri Altman Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufs-hisi.c | 11 ++++------- drivers/scsi/ufs/ufshcd-pltfrm.c | 2 +- drivers/scsi/ufs/ufshcd-pltfrm.h | 2 +- drivers/scsi/ufs/ufshcd.h | 2 +- 4 files changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c index f2d3df357a97..0e855b5afe82 100644 --- a/drivers/scsi/ufs/ufs-hisi.c +++ b/drivers/scsi/ufs/ufs-hisi.c @@ -640,7 +640,7 @@ static int ufs_hi3670_init(struct ufs_hba *hba) return 0; } -static struct ufs_hba_variant_ops ufs_hba_hi3660_vops = { +static const struct ufs_hba_variant_ops ufs_hba_hi3660_vops = { .name = "hi3660", .init = ufs_hi3660_init, .link_startup_notify = ufs_hisi_link_startup_notify, @@ -649,7 +649,7 @@ static struct ufs_hba_variant_ops ufs_hba_hi3660_vops = { .resume = ufs_hisi_resume, }; -static struct ufs_hba_variant_ops ufs_hba_hi3670_vops = { +static const struct ufs_hba_variant_ops ufs_hba_hi3670_vops = { .name = "hi3670", .init = ufs_hi3670_init, .link_startup_notify = ufs_hisi_link_startup_notify, @@ -669,13 +669,10 @@ MODULE_DEVICE_TABLE(of, ufs_hisi_of_match); static int ufs_hisi_probe(struct platform_device *pdev) { const struct of_device_id *of_id; - struct ufs_hba_variant_ops *vops; - struct device *dev = &pdev->dev; - of_id = of_match_node(ufs_hisi_of_match, dev->of_node); - vops = (struct ufs_hba_variant_ops *)of_id->data; + of_id = of_match_node(ufs_hisi_of_match, pdev->dev.of_node); - return ufshcd_pltfrm_init(pdev, vops); + return ufshcd_pltfrm_init(pdev, of_id->data); } static int ufs_hisi_remove(struct platform_device *pdev) diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 895a9b5ac989..27213676329c 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -297,7 +297,7 @@ static void ufshcd_init_lanes_per_dir(struct ufs_hba *hba) * Returns 0 on success, non-zero value on failure */ int ufshcd_pltfrm_init(struct platform_device *pdev, - struct ufs_hba_variant_ops *vops) + const struct ufs_hba_variant_ops *vops) { struct ufs_hba *hba; void __iomem *mmio_base; diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.h b/drivers/scsi/ufs/ufshcd-pltfrm.h index df64c4180340..1f29e1fd6d52 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.h +++ b/drivers/scsi/ufs/ufshcd-pltfrm.h @@ -17,7 +17,7 @@ #include "ufshcd.h" int ufshcd_pltfrm_init(struct platform_device *pdev, - struct ufs_hba_variant_ops *vops); + const struct ufs_hba_variant_ops *vops); void ufshcd_pltfrm_shutdown(struct platform_device *pdev); #ifdef CONFIG_PM diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 69ba7445d2b3..ecfa898b9ccc 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -546,7 +546,7 @@ struct ufs_hba { int nutrs; int nutmrs; u32 ufs_version; - struct ufs_hba_variant_ops *vops; + const struct ufs_hba_variant_ops *vops; void *priv; unsigned int irq; bool is_irq_enabled; -- 2.11.0