From 2506f5dcb8282aa7adf77965ef147bb5b68973e3 Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Wed, 16 Jun 2021 11:44:19 +0800 Subject: scsi: mvsas: Use DEVICE_ATTR_RO()/RW() macro Use DEVICE_ATTR_RO()/RW() macro helper instead of plain DEVICE_ATTR(), which makes the code a bit shorter and easier to read. Link: https://lore.kernel.org/r/20210616034419.725-5-thunder.leizhen@huawei.com Signed-off-by: Zhen Lei Signed-off-by: Martin K. Petersen --- drivers/scsi/mvsas/mv_init.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) (limited to 'drivers/scsi') diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index b03c0f35d7b0..f18dd9703595 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -693,22 +693,17 @@ static struct pci_driver mvs_pci_driver = { .remove = mvs_pci_remove, }; -static ssize_t -mvs_show_driver_version(struct device *cdev, - struct device_attribute *attr, char *buffer) +static ssize_t driver_version_show(struct device *cdev, + struct device_attribute *attr, char *buffer) { return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION); } -static DEVICE_ATTR(driver_version, - S_IRUGO, - mvs_show_driver_version, - NULL); +static DEVICE_ATTR_RO(driver_version); -static ssize_t -mvs_store_interrupt_coalescing(struct device *cdev, - struct device_attribute *attr, - const char *buffer, size_t size) +static ssize_t interrupt_coalescing_store(struct device *cdev, + struct device_attribute *attr, + const char *buffer, size_t size) { unsigned int val = 0; struct mvs_info *mvi = NULL; @@ -746,16 +741,13 @@ mvs_store_interrupt_coalescing(struct device *cdev, return strlen(buffer); } -static ssize_t mvs_show_interrupt_coalescing(struct device *cdev, - struct device_attribute *attr, char *buffer) +static ssize_t interrupt_coalescing_show(struct device *cdev, + struct device_attribute *attr, char *buffer) { return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing); } -static DEVICE_ATTR(interrupt_coalescing, - S_IRUGO|S_IWUSR, - mvs_show_interrupt_coalescing, - mvs_store_interrupt_coalescing); +static DEVICE_ATTR_RW(interrupt_coalescing); static int __init mvs_init(void) { -- cgit v1.2.3