From 228336f50711e9f0f47352483a8501e0c598845b Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 28 Sep 2022 22:12:14 +0200 Subject: [PATCH] i2c: pci1xxxx: prevent signed integer overflow Some constants need 'UL' markings, otherwise they are shifted into the sign bit. Fixes: 361693697249 ("i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch") Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-mchp-pci1xxxx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c index b2b7dbf..f534220 100644 --- a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c +++ b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c @@ -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. -- 2.7.4