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Merge "i2c: i2c-msm-geni: Reset i2c GPIOs using FORCE_DEFAULT"

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This commit is contained in:
qctecmdr 2022-05-18 00:56:03 -07:00 • committed by Gerrit - the friendly Code Review server
commit 778d5c01eb
1 changed files with 14 additions and 3 deletions
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17
drivers/i2c/busses/i2c-msm-geni.c
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@ -249,10 +249,21 @@ static int do_pending_cancel(struct geni_i2c_dev *gi2c)
geni_ios = geni_read_reg_nolog(gi2c->base, SE_GENI_IOS);
if ((geni_ios & 0x3) != 0x3) {
/* Try to restore IOS with FORCE_DEFAULT */
GENI_SE_ERR(gi2c->ipcl, true, gi2c->dev,
"%s: Can't do pending cancel, IOS bad state: 0x%x\n",
__func__, geni_ios);
return -EINVAL;
"%s: IOS:0x%x, bad state\n", __func__, geni_ios);
geni_write_reg(FORCE_DEFAULT,
gi2c->base, GENI_FORCE_DEFAULT_REG);
geni_ios = geni_read_reg_nolog(gi2c->base, SE_GENI_IOS);
if ((geni_ios & 0x3) != 0x3) {
GENI_SE_ERR(gi2c->ipcl, true, gi2c->dev,
"%s: IOS:0x%x, Fix from Slave side\n",
__func__, geni_ios);
return -EINVAL;
}
GENI_SE_ERR(gi2c->ipcl, true, gi2c->dev,
"%s: IOS:0x%x restored properly\n", __func__, geni_ios);
}
if (gi2c->se_mode == GSI_ONLY) {