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i2c: stub: use pr_fmt

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Instead of hard coding "i2c-stub:", let's use the pr_fmt mechanism to
achieve the same more easily. This makes it easier to stay consistent
when adding new messages. Also, remove an unneeded OOM message while we
are here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2017-05-16 13:21:05 +02:00 committed by Wolfram Sang
parent df5da47fe7
commit 6c42778780
1 changed files with 8 additions and 8 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/i2c/i2c-stub.c
View file

@ -15,7 +15,8 @@
GNU General Public License for more details.
*/
#define DEBUG 1
#define DEBUG
#define pr_fmt(fmt) "i2c-stub: " fmt
#include <linux/errno.h>
#include <linux/i2c.h>
@ -342,7 +343,7 @@ static int __init i2c_stub_allocate_banks(int i)
if (!chip->bank_words)
return -ENOMEM;
pr_debug("i2c-stub: Allocated %u banks of %u words each (registers 0x%02x to 0x%02x)\n",
pr_debug("Allocated %u banks of %u words each (registers 0x%02x to 0x%02x)\n",
chip->bank_mask, chip->bank_size, chip->bank_start,
chip->bank_end);
@ -363,28 +364,27 @@ static int __init i2c_stub_init(void)
int i, ret;
if (!chip_addr[0]) {
pr_err("i2c-stub: Please specify a chip address\n");
pr_err("Please specify a chip address\n");
return -ENODEV;
}
for (i = 0; i < MAX_CHIPS && chip_addr[i]; i++) {
if (chip_addr[i] < 0x03 || chip_addr[i] > 0x77) {
pr_err("i2c-stub: Invalid chip address 0x%02x\n",
pr_err("Invalid chip address 0x%02x\n",
chip_addr[i]);
return -EINVAL;
}
pr_info("i2c-stub: Virtual chip at 0x%02x\n", chip_addr[i]);
pr_info("Virtual chip at 0x%02x\n", chip_addr[i]);
}
/* Allocate memory for all chips at once */
stub_chips_nr = i;
stub_chips = kcalloc(stub_chips_nr, sizeof(struct stub_chip),
GFP_KERNEL);
if (!stub_chips) {
pr_err("i2c-stub: Out of memory\n");
if (!stub_chips)
return -ENOMEM;
}
for (i = 0; i < stub_chips_nr; i++) {
INIT_LIST_HEAD(&stub_chips[i].smbus_blocks);