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[68.168.130.77]) by smtp.gmail.com with ESMTPSA id f64sm29159316pfh.0.2018.12.01.02.48.55 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 01 Dec 2018 02:48:55 -0800 (PST) From: Yangtao Li To: robert.jarzmik@free.fr, dwmw2@infradead.org, computersforpeace@gmail.com, boris.brezillon@bootlin.com, marek.vasut@gmail.com, richard@nod.at, miquel.raynal@bootlin.com, keescook@chromium.org, shreeya.patel23498@gmail.com Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Yangtao Li Subject: [PATCH] mtd: remove DEBUGFS_RO_ATTR() Date: Sat, 1 Dec 2018 05:48:53 -0500 Message-Id: <20181201104853.6821-1-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We already have the DEFINE_SHOW_ATTRIBUTE.There is no need to define such a macro,so remove DEBUGFS_RO_ATTR.Also use DEFINE_SHOW_ATTRIBUTE to simplify some code. Signed-off-by: Yangtao Li --- drivers/mtd/devices/docg3.c | 15 +++++++++------ drivers/mtd/devices/docg3.h | 11 ----------- drivers/mtd/mtdswap.c | 12 +----------- drivers/mtd/nand/raw/nandsim.c | 16 +++------------- 4 files changed, 13 insertions(+), 41 deletions(-) diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 512bd4c2eec0..51d2c6e68f39 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1603,7 +1603,7 @@ static void doc_unregister_sysfs(struct platform_device *pdev, /* * Debug sysfs entries */ -static int dbg_flashctrl_show(struct seq_file *s, void *p) +static int flashcontrol_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; @@ -1623,9 +1623,10 @@ static int dbg_flashctrl_show(struct seq_file *s, void *p) return 0; } -DEBUGFS_RO_ATTR(flashcontrol, dbg_flashctrl_show); -static int dbg_asicmode_show(struct seq_file *s, void *p) +DEFINE_SHOW_ATTRIBUTE(flashcontrol); + +static int asic_mode_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; @@ -1660,7 +1661,8 @@ static int dbg_asicmode_show(struct seq_file *s, void *p) seq_puts(s, ")\n"); return 0; } -DEBUGFS_RO_ATTR(asic_mode, dbg_asicmode_show); + +DEFINE_SHOW_ATTRIBUTE(asic_mode); static int dbg_device_id_show(struct seq_file *s, void *p) { @@ -1676,7 +1678,7 @@ static int dbg_device_id_show(struct seq_file *s, void *p) } DEBUGFS_RO_ATTR(device_id, dbg_device_id_show); -static int dbg_protection_show(struct seq_file *s, void *p) +static int protection_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; int protect, dps0, dps0_low, dps0_high, dps1, dps1_low, dps1_high; @@ -1726,7 +1728,8 @@ static int dbg_protection_show(struct seq_file *s, void *p) !!(dps1 & DOC_DPS_KEY_OK)); return 0; } -DEBUGFS_RO_ATTR(protection, dbg_protection_show); + +DEFINE_SHOW_ATTRIBUTE(protection); static void __init doc_dbg_register(struct mtd_info *floor) { diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index e99946575398..e16dca23655b 100644 --- a/drivers/mtd/devices/docg3.h +++ b/drivers/mtd/devices/docg3.h @@ -317,17 +317,6 @@ struct docg3 { #define doc_info(fmt, arg...) dev_info(docg3->dev, (fmt), ## arg) #define doc_dbg(fmt, arg...) dev_dbg(docg3->dev, (fmt), ## arg) #define doc_vdbg(fmt, arg...) dev_vdbg(docg3->dev, (fmt), ## arg) - -#define DEBUGFS_RO_ATTR(name, show_fct) \ - static int name##_open(struct inode *inode, struct file *file) \ - { return single_open(file, show_fct, inode->i_private); } \ - static const struct file_operations name##_fops = { \ - .owner = THIS_MODULE, \ - .open = name##_open, \ - .llseek = seq_lseek, \ - .read = seq_read, \ - .release = single_release \ - }; #endif /* diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c index d9dcb2d051b4..3afda6c95d62 100644 --- a/drivers/mtd/mtdswap.c +++ b/drivers/mtd/mtdswap.c @@ -1266,17 +1266,7 @@ static int mtdswap_show(struct seq_file *s, void *data) return 0; } -static int mtdswap_open(struct inode *inode, struct file *file) -{ - return single_open(file, mtdswap_show, inode->i_private); -} - -static const struct file_operations mtdswap_fops = { - .open = mtdswap_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(mtdswap); static int mtdswap_add_debugfs(struct mtdswap_dev *d) { diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index c452819f6123..2d5532042803 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -443,7 +443,7 @@ static unsigned long total_wear = 0; /* MTD structure for NAND controller */ static struct mtd_info *nsmtd; -static int nandsim_debugfs_show(struct seq_file *m, void *private) +static int nandsim_show(struct seq_file *m, void *private) { unsigned long wmin = -1, wmax = 0, avg; unsigned long deciles[10], decile_max[10], tot = 0; @@ -495,17 +495,7 @@ static int nandsim_debugfs_show(struct seq_file *m, void *private) return 0; } -static int nandsim_debugfs_open(struct inode *inode, struct file *file) -{ - return single_open(file, nandsim_debugfs_show, inode->i_private); -} - -static const struct file_operations dfs_fops = { - .open = nandsim_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(nandsim); /** * nandsim_debugfs_create - initialize debugfs @@ -531,7 +521,7 @@ static int nandsim_debugfs_create(struct nandsim *dev) } dent = debugfs_create_file("nandsim_wear_report", S_IRUSR, - root, dev, &dfs_fops); + root, dev, &nandsim_fops); if (IS_ERR_OR_NULL(dent)) { NS_ERR("cannot create \"nandsim_wear_report\" debugfs entry\n"); return -1; -- 2.17.0