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| author | Dylan Hung <dylan_hung@aspeedtech.com> | 2024-01-19 13:45:47 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-02-19 00:32:34 +0100 |
| commit | 10201396ef6455a68ac671fa0163205d327ebb70 (patch) | |
| tree | 9000b0eb84406fd6e852e77bd9f227894fe8c9e6 /drivers/i3c | |
| parent | cb0a395578f1b817f9cf7d2a8525781094fec0c5 (diff) | |
| download | lwn-10201396ef6455a68ac671fa0163205d327ebb70.tar.gz lwn-10201396ef6455a68ac671fa0163205d327ebb70.zip | |
i3c: dw: Disable IBI IRQ depends on hot-join and SIR enabling
Disable IBI IRQ signal and status only when hot-join and SIR enabling of
all target devices attached to the bus are disabled.
Fixes: e389b1d72a62 ("i3c: dw: Add support for in-band interrupts")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Link: https://lore.kernel.org/r/20240119054547.983693-1-dylan_hung@aspeedtech.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/dw-i3c-master.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index ef5751e91cc9..276153e10f5a 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -1163,8 +1163,10 @@ static void dw_i3c_master_set_sir_enabled(struct dw_i3c_master *master, global = reg == 0xffffffff; reg &= ~BIT(idx); } else { - global = reg == 0; + bool hj_rejected = !!(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_HOT_JOIN_NACK); + reg |= BIT(idx); + global = (reg == 0xffffffff) && hj_rejected; } writel(reg, master->regs + IBI_SIR_REQ_REJECT); |