Commit 228336f5 authored by Wolfram Sang's avatar Wolfram Sang
Browse files

i2c: pci1xxxx: prevent signed integer overflow 



Some constants need 'UL' markings, otherwise they are shifted into the
sign bit.

Fixes: 36169369 ("i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch")
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 492baeb9

drivers/i2c/busses/i2c-mchp-pci1xxxx.c

+3 −3
Original line number Diff line number Diff line
@@ -190,9 +190,9 @@ 
 * Bus Idle Minimum time = BUS_IDLE_MIN[7:0] x Baud_Clock_Period x

 * (BUS_IDLE_MIN_XK_TICKS[7] ? 4,1)

 */

#define BUS_IDLE_MIN_100K_TICKS		167

#define BUS_IDLE_MIN_400K_TICKS		139

#define BUS_IDLE_MIN_1000K_TICKS		133

#define BUS_IDLE_MIN_100K_TICKS		167UL

#define BUS_IDLE_MIN_400K_TICKS		139UL

#define BUS_IDLE_MIN_1000K_TICKS		133UL



/*

 * CTRL_CUM_TIME_OUT_XK_TICKS defines SMBus Controller Cumulative Time-Out.