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i3c: master: cdns: Fix reading status register

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IBIR_DEPTH and CMDR_DEPTH should read from status0 instead of status1.

Cc: stable@vger.kernel.org
Fixes: 603f2bee2c ("i3c: master: Add driver for Cadence IP")
Signed-off-by: Joshua Yeong <joshua.yeong@starfivetech.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20230913031743.11439-2-joshua.yeong@starfivetech.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Joshua Yeong 2023-09-13 11:17:45 +08:00 committed by Alexandre Belloni
parent 0bb80ecc33
commit 4bd8405257
1 changed files with 3 additions and 3 deletions
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6
drivers/i3c/master/i3c-master-cdns.c
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@ -191,7 +191,7 @@
#define SLV_STATUS1_HJ_DIS BIT(18)
#define SLV_STATUS1_MR_DIS BIT(17)
#define SLV_STATUS1_PROT_ERR BIT(16)
#define SLV_STATUS1_DA(x) (((s) & GENMASK(15, 9)) >> 9)
#define SLV_STATUS1_DA(s) (((s) & GENMASK(15, 9)) >> 9)
#define SLV_STATUS1_HAS_DA BIT(8)
#define SLV_STATUS1_DDR_RX_FULL BIT(7)
#define SLV_STATUS1_DDR_TX_FULL BIT(6)
@ -1623,13 +1623,13 @@ static int cdns_i3c_master_probe(struct platform_device *pdev)
/* Device ID0 is reserved to describe this master. */
master->maxdevs = CONF_STATUS0_DEVS_NUM(val);
master->free_rr_slots = GENMASK(master->maxdevs, 1);
master->caps.ibirfifodepth = CONF_STATUS0_IBIR_DEPTH(val);
master->caps.cmdrfifodepth = CONF_STATUS0_CMDR_DEPTH(val);
val = readl(master->regs + CONF_STATUS1);
master->caps.cmdfifodepth = CONF_STATUS1_CMD_DEPTH(val);
master->caps.rxfifodepth = CONF_STATUS1_RX_DEPTH(val);
master->caps.txfifodepth = CONF_STATUS1_TX_DEPTH(val);
master->caps.ibirfifodepth = CONF_STATUS0_IBIR_DEPTH(val);
master->caps.cmdrfifodepth = CONF_STATUS0_CMDR_DEPTH(val);
spin_lock_init(&master->ibi.lock);
master->ibi.num_slots = CONF_STATUS1_IBI_HW_RES(val);