i3c: prefix hexadecimal entries in sysfs

Hexadecimal values in sysfs should be prefixed with '0x' like e.g. PCI
and SCSI already do it. Also ensure the two digit length since BCR and
DCR are a byte in size.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250707115409.73545-2-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 1a68acee1f13073409fcb5643d1535371ca3eb59..e00991444f31ca797e1c3cf20547ac0b13a8cfc1 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -141,7 +141,7 @@ static ssize_t bcr_show(struct device *dev,
 
        i3c_bus_normaluse_lock(bus);
        desc = dev_to_i3cdesc(dev);
-       ret = sprintf(buf, "%x\n", desc->info.bcr);
+       ret = sprintf(buf, "0x%02x\n", desc->info.bcr);
        i3c_bus_normaluse_unlock(bus);
 
        return ret;
@@ -158,7 +158,7 @@ static ssize_t dcr_show(struct device *dev,
 
        i3c_bus_normaluse_lock(bus);
        desc = dev_to_i3cdesc(dev);
-       ret = sprintf(buf, "%x\n", desc->info.dcr);
+       ret = sprintf(buf, "0x%02x\n", desc->info.dcr);
        i3c_bus_normaluse_unlock(bus);
 
        return ret;