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i2c: rcar: refactor private flags

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Use BIT macro to avoid shift-31-problem, indent a little more and use
GENMASK to make it easier to add new flags.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2018-08-08 09:59:27 +02:00 committed by Wolfram Sang
parent 0a30446c0d
commit b07531acd5
1 changed files with 4 additions and 3 deletions
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7
drivers/i2c/busses/i2c-rcar.c
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@ -19,6 +19,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/dmaengine.h>
@ -112,9 +113,9 @@
#define ID_ARBLOST (1 << 3)
#define ID_NACK (1 << 4)
/* persistent flags */
#define ID_P_NO_RXDMA (1 << 30) /* HW forbids RXDMA sometimes */
#define ID_P_PM_BLOCKED (1 << 31)
#define ID_P_MASK (ID_P_PM_BLOCKED | ID_P_NO_RXDMA)
#define ID_P_NO_RXDMA BIT(30) /* HW forbids RXDMA sometimes */
#define ID_P_PM_BLOCKED BIT(31)
#define ID_P_MASK GENMASK(31, 30)
enum rcar_i2c_type {
I2C_RCAR_GEN1,