diff options
Diffstat (limited to 'drivers/spmi')
| -rw-r--r-- | drivers/spmi/spmi-pmic-arb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c index cf92abc51689..39f25bc26233 100644 --- a/drivers/spmi/spmi-pmic-arb.c +++ b/drivers/spmi/spmi-pmic-arb.c @@ -1133,6 +1133,11 @@ static int pmic_arb_offset_v5(struct spmi_pmic_arb *pmic_arb, u8 sid, u16 addr, offset = 0x10000 * pmic_arb->ee + 0x80 * apid; break; case PMIC_ARB_CHANNEL_RW: + if (pmic_arb->apid_data[apid].write_ee != pmic_arb->ee) { + dev_err(&pmic_arb->spmic->dev, "disallowed SPMI write to sid=%u, addr=0x%04X\n", + sid, addr); + return -EPERM; + } offset = 0x10000 * apid; break; } |