hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

i2c: brcmstb: Remove superfluous size check 

The driver transfer to a message with NOACK always in any size.
If client (eg. EDID segment point message) needs NOACK condition, it can
use I2C_M_IGNORE_NAK flag.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Acked-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Jaedon Shin 2016-07-15 12:45:09 +09:00 committed by Wolfram Sang
parent bcf358aa57
commit 94a0b0b92e
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/i2c/busses/i2c-brcmstb.c
View File

@ -343,10 +343,9 @@ static int brcmstb_i2c_xfer_bsc_data(struct brcmstb_i2c_dev *dev,
struct bsc_regs *pi2creg = dev->bsc_regmap;
int no_ack = pmsg->flags & I2C_M_IGNORE_NAK;
int data_regsz = brcmstb_i2c_get_data_regsz(dev);
int xfersz = brcmstb_i2c_get_xfersz(dev);
/* see if the transaction needs to check NACK conditions */
if (no_ack || len <= xfersz) {
if (no_ack) {
cmd = (pmsg->flags & I2C_M_RD) ? CMD_RD_NOACK
: CMD_WR_NOACK;
pi2creg->ctlhi_reg |= BSC_CTLHI_REG_IGNORE_ACK_MASK;