diff options
| author | ye xingchen <ye.xingchen@zte.com.cn> | 2022-12-06 17:14:50 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-01-18 17:43:47 +0530 |
| commit | faab12342f5a4579f066a9e9dcfa97d3e60cf36f (patch) | |
| tree | e9be03504f0d662a7ee11895b4471b2eb6f45fbe /drivers/dma | |
| parent | 3dfaa68fa89afd7a926cc3c5f0388b52f489609b (diff) | |
dmaengine: ppc4xx: Convert to use sysfs_emit()/sysfs_emit_at() APIs
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212061714501297954@zte.com.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ppc4xx/adma.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index 6b5e91f26afc..686c270ef710 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -4299,9 +4299,8 @@ static ssize_t devices_show(struct device_driver *dev, char *buf) for (i = 0; i < PPC440SPE_ADMA_ENGINES_NUM; i++) { if (ppc440spe_adma_devices[i] == -1) continue; - size += scnprintf(buf + size, PAGE_SIZE - size, - "PPC440SP(E)-ADMA.%d: %s\n", i, - ppc_adma_errors[ppc440spe_adma_devices[i]]); + size += sysfs_emit_at(buf, size, "PPC440SP(E)-ADMA.%d: %s\n", + i, ppc_adma_errors[ppc440spe_adma_devices[i]]); } return size; } @@ -4309,9 +4308,8 @@ static DRIVER_ATTR_RO(devices); static ssize_t enable_show(struct device_driver *dev, char *buf) { - return snprintf(buf, PAGE_SIZE, - "PPC440SP(e) RAID-6 capabilities are %sABLED.\n", - ppc440spe_r6_enabled ? "EN" : "DIS"); + return sysfs_emit(buf, "PPC440SP(e) RAID-6 capabilities are %sABLED.\n", + ppc440spe_r6_enabled ? "EN" : "DIS"); } static ssize_t enable_store(struct device_driver *dev, const char *buf, @@ -4362,7 +4360,7 @@ static ssize_t poly_show(struct device_driver *dev, char *buf) reg &= 0xFF; #endif - size = snprintf(buf, PAGE_SIZE, "PPC440SP(e) RAID-6 driver " + size = sysfs_emit(buf, "PPC440SP(e) RAID-6 driver " "uses 0x1%02x polynomial.\n", reg); return size; } |