From 8c98d2554f715260efb3e779a9cfe045c4af8aa0 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 29 Sep 2014 16:08:27 -0700 Subject: [PATCH] docg3: Fix miuse of seq_printf return value seq_printf doesn't return a useful value, so remove these misuses. Signed-off-by: Joe Perches Signed-off-by: Brian Norris --- drivers/mtd/devices/docg3.c | 112 +++++++++++++++++------------------- 1 file changed, 52 insertions(+), 60 deletions(-) diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 21cc4b66feaa..68ff83cc6660 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1655,22 +1655,21 @@ static int dbg_flashctrl_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; - int pos = 0; u8 fctrl; mutex_lock(&docg3->cascade->lock); fctrl = doc_register_readb(docg3, DOC_FLASHCONTROL); mutex_unlock(&docg3->cascade->lock); - pos += seq_printf(s, - "FlashControl : 0x%02x (%s,CE# %s,%s,%s,flash %s)\n", - fctrl, - fctrl & DOC_CTRL_VIOLATION ? "protocol violation" : "-", - fctrl & DOC_CTRL_CE ? "active" : "inactive", - fctrl & DOC_CTRL_PROTECTION_ERROR ? "protection error" : "-", - fctrl & DOC_CTRL_SEQUENCE_ERROR ? "sequence error" : "-", - fctrl & DOC_CTRL_FLASHREADY ? "ready" : "not ready"); - return pos; + seq_printf(s, "FlashControl : 0x%02x (%s,CE# %s,%s,%s,flash %s)\n", + fctrl, + fctrl & DOC_CTRL_VIOLATION ? "protocol violation" : "-", + fctrl & DOC_CTRL_CE ? "active" : "inactive", + fctrl & DOC_CTRL_PROTECTION_ERROR ? "protection error" : "-", + fctrl & DOC_CTRL_SEQUENCE_ERROR ? "sequence error" : "-", + fctrl & DOC_CTRL_FLASHREADY ? "ready" : "not ready"); + + return 0; } DEBUGFS_RO_ATTR(flashcontrol, dbg_flashctrl_show); @@ -1678,58 +1677,56 @@ static int dbg_asicmode_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; - int pos = 0, pctrl, mode; + int pctrl, mode; mutex_lock(&docg3->cascade->lock); pctrl = doc_register_readb(docg3, DOC_ASICMODE); mode = pctrl & 0x03; mutex_unlock(&docg3->cascade->lock); - pos += seq_printf(s, - "%04x : RAM_WE=%d,RSTIN_RESET=%d,BDETCT_RESET=%d,WRITE_ENABLE=%d,POWERDOWN=%d,MODE=%d%d (", - pctrl, - pctrl & DOC_ASICMODE_RAM_WE ? 1 : 0, - pctrl & DOC_ASICMODE_RSTIN_RESET ? 1 : 0, - pctrl & DOC_ASICMODE_BDETCT_RESET ? 1 : 0, - pctrl & DOC_ASICMODE_MDWREN ? 1 : 0, - pctrl & DOC_ASICMODE_POWERDOWN ? 1 : 0, - mode >> 1, mode & 0x1); + seq_printf(s, + "%04x : RAM_WE=%d,RSTIN_RESET=%d,BDETCT_RESET=%d,WRITE_ENABLE=%d,POWERDOWN=%d,MODE=%d%d (", + pctrl, + pctrl & DOC_ASICMODE_RAM_WE ? 1 : 0, + pctrl & DOC_ASICMODE_RSTIN_RESET ? 1 : 0, + pctrl & DOC_ASICMODE_BDETCT_RESET ? 1 : 0, + pctrl & DOC_ASICMODE_MDWREN ? 1 : 0, + pctrl & DOC_ASICMODE_POWERDOWN ? 1 : 0, + mode >> 1, mode & 0x1); switch (mode) { case DOC_ASICMODE_RESET: - pos += seq_puts(s, "reset"); + seq_puts(s, "reset"); break; case DOC_ASICMODE_NORMAL: - pos += seq_puts(s, "normal"); + seq_puts(s, "normal"); break; case DOC_ASICMODE_POWERDOWN: - pos += seq_puts(s, "powerdown"); + seq_puts(s, "powerdown"); break; } - pos += seq_puts(s, ")\n"); - return pos; + seq_puts(s, ")\n"); + return 0; } DEBUGFS_RO_ATTR(asic_mode, dbg_asicmode_show); static int dbg_device_id_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; - int pos = 0; int id; mutex_lock(&docg3->cascade->lock); id = doc_register_readb(docg3, DOC_DEVICESELECT); mutex_unlock(&docg3->cascade->lock); - pos += seq_printf(s, "DeviceId = %d\n", id); - return pos; + seq_printf(s, "DeviceId = %d\n", id); + return 0; } DEBUGFS_RO_ATTR(device_id, dbg_device_id_show); static int dbg_protection_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; - int pos = 0; int protect, dps0, dps0_low, dps0_high, dps1, dps1_low, dps1_high; mutex_lock(&docg3->cascade->lock); @@ -1742,45 +1739,40 @@ static int dbg_protection_show(struct seq_file *s, void *p) dps1_high = doc_register_readw(docg3, DOC_DPS1_ADDRHIGH); mutex_unlock(&docg3->cascade->lock); - pos += seq_printf(s, "Protection = 0x%02x (", - protect); + seq_printf(s, "Protection = 0x%02x (", protect); if (protect & DOC_PROTECT_FOUNDRY_OTP_LOCK) - pos += seq_puts(s, "FOUNDRY_OTP_LOCK,"); + seq_puts(s, "FOUNDRY_OTP_LOCK,"); if (protect & DOC_PROTECT_CUSTOMER_OTP_LOCK) - pos += seq_puts(s, "CUSTOMER_OTP_LOCK,"); + seq_puts(s, "CUSTOMER_OTP_LOCK,"); if (protect & DOC_PROTECT_LOCK_INPUT) - pos += seq_puts(s, "LOCK_INPUT,"); + seq_puts(s, "LOCK_INPUT,"); if (protect & DOC_PROTECT_STICKY_LOCK) - pos += seq_puts(s, "STICKY_LOCK,"); + seq_puts(s, "STICKY_LOCK,"); if (protect & DOC_PROTECT_PROTECTION_ENABLED) - pos += seq_puts(s, "PROTECTION ON,"); + seq_puts(s, "PROTECTION ON,"); if (protect & DOC_PROTECT_IPL_DOWNLOAD_LOCK) - pos += seq_puts(s, "IPL_DOWNLOAD_LOCK,"); + seq_puts(s, "IPL_DOWNLOAD_LOCK,"); if (protect & DOC_PROTECT_PROTECTION_ERROR) - pos += seq_puts(s, "PROTECT_ERR,"); + seq_puts(s, "PROTECT_ERR,"); else - pos += seq_puts(s, "NO_PROTECT_ERR"); - pos += seq_puts(s, ")\n"); - - pos += seq_printf(s, "DPS0 = 0x%02x : " - "Protected area [0x%x - 0x%x] : OTP=%d, READ=%d, " - "WRITE=%d, HW_LOCK=%d, KEY_OK=%d\n", - dps0, dps0_low, dps0_high, - !!(dps0 & DOC_DPS_OTP_PROTECTED), - !!(dps0 & DOC_DPS_READ_PROTECTED), - !!(dps0 & DOC_DPS_WRITE_PROTECTED), - !!(dps0 & DOC_DPS_HW_LOCK_ENABLED), - !!(dps0 & DOC_DPS_KEY_OK)); - pos += seq_printf(s, "DPS1 = 0x%02x : " - "Protected area [0x%x - 0x%x] : OTP=%d, READ=%d, " - "WRITE=%d, HW_LOCK=%d, KEY_OK=%d\n", - dps1, dps1_low, dps1_high, - !!(dps1 & DOC_DPS_OTP_PROTECTED), - !!(dps1 & DOC_DPS_READ_PROTECTED), - !!(dps1 & DOC_DPS_WRITE_PROTECTED), - !!(dps1 & DOC_DPS_HW_LOCK_ENABLED), - !!(dps1 & DOC_DPS_KEY_OK)); - return pos; + seq_puts(s, "NO_PROTECT_ERR"); + seq_puts(s, ")\n"); + + seq_printf(s, "DPS0 = 0x%02x : Protected area [0x%x - 0x%x] : OTP=%d, READ=%d, WRITE=%d, HW_LOCK=%d, KEY_OK=%d\n", + dps0, dps0_low, dps0_high, + !!(dps0 & DOC_DPS_OTP_PROTECTED), + !!(dps0 & DOC_DPS_READ_PROTECTED), + !!(dps0 & DOC_DPS_WRITE_PROTECTED), + !!(dps0 & DOC_DPS_HW_LOCK_ENABLED), + !!(dps0 & DOC_DPS_KEY_OK)); + seq_printf(s, "DPS1 = 0x%02x : Protected area [0x%x - 0x%x] : OTP=%d, READ=%d, WRITE=%d, HW_LOCK=%d, KEY_OK=%d\n", + dps1, dps1_low, dps1_high, + !!(dps1 & DOC_DPS_OTP_PROTECTED), + !!(dps1 & DOC_DPS_READ_PROTECTED), + !!(dps1 & DOC_DPS_WRITE_PROTECTED), + !!(dps1 & DOC_DPS_HW_LOCK_ENABLED), + !!(dps1 & DOC_DPS_KEY_OK)); + return 0; } DEBUGFS_RO_ATTR(protection, dbg_protection_show); -- 2.30.2