From a6a0f04e7d28378c181f76d32e4f965aa6a8b0a5 Mon Sep 17 00:00:00 2001 From: Joy Chakraborty Date: Wed, 12 Jun 2024 07:00:30 +0000 Subject: [PATCH] misc: microchip: pci1xxxx: Fix return value of nvmem callbacks Read/write callbacks registered with nvmem core expect 0 to be returned on success and a negative value to be returned on failure. Currently pci1xxxx_otp_read()/pci1xxxx_otp_write() and pci1xxxx_eeprom_read()/pci1xxxx_eeprom_write() return the number of bytes read/written on success. Fix to return 0 on success. Fixes: 9ab5465349c0 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX EEPROM via NVMEM sysfs") Fixes: 0969001569e4 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP via NVMEM sysfs") Cc: stable@vger.kernel.org Signed-off-by: Joy Chakraborty Reviewed-by: Dan Carpenter Link: https://lore.kernel.org/r/20240612070031.1215558-1-joychakr@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c index 16695cb5e69c..7c3d8bedf90b 100644 --- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c +++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_otpe2p.c @@ -153,7 +153,6 @@ static int pci1xxxx_eeprom_read(void *priv_t, unsigned int off, buf[byte] = readl(rb + MMAP_EEPROM_OFFSET(EEPROM_DATA_REG)); } - ret = byte; error: release_sys_lock(priv); return ret; @@ -197,7 +196,6 @@ static int pci1xxxx_eeprom_write(void *priv_t, unsigned int off, goto error; } } - ret = byte; error: release_sys_lock(priv); return ret; @@ -258,7 +256,6 @@ static int pci1xxxx_otp_read(void *priv_t, unsigned int off, buf[byte] = readl(rb + MMAP_OTP_OFFSET(OTP_RD_DATA_OFFSET)); } - ret = byte; error: release_sys_lock(priv); return ret; @@ -315,7 +312,6 @@ static int pci1xxxx_otp_write(void *priv_t, unsigned int off, goto error; } } - ret = byte; error: release_sys_lock(priv); return ret;