[PATCH v5 07/17] i3c: renesas: Clean DATBAS register on detach
Claudiu Beznea <[email protected]>
| Newsgroups | org.kernel.vger.linux-renesas-soc,org.infradead.lists.linux-i3c,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
From: Claudiu Beznea <[email protected]> The controller uses DATBAS registers on TX/RX logic. Clean the DATBAS register for the detached I3C device to avoid issues. Fixes: d028219a9f14 ("i3c: master: Add basic driver for the Renesas I3C controller") Cc: [email protected] Reviewed-by: Frank Li <[email protected]> Signed-off-by: Claudiu Beznea <[email protected]> --- Changes in v5: - none Changes in v4: - none Changes in v3: - none Changes in v2: - collected tags drivers/i3c/master/renesas-i3c.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c index acc30ed615ab..b9784d238f61 100644 --- a/drivers/i3c/master/renesas-i3c.c +++ b/drivers/i3c/master/renesas-i3c.c @@ -935,6 +935,8 @@ static void renesas_i3c_detach_i3c_dev(struct i3c_dev_desc *dev) struct i3c_master_controller *m = i3c_dev_get_master(dev); struct renesas_i3c *i3c = to_renesas_i3c(m); + renesas_writel(i3c->regs, DATBAS(data->index), 0); + i3c_dev_set_master_data(dev, NULL); i3c->addrs[data->index] = 0; i3c->free_pos |= BIT(data->index); -- 2.43.0