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i3c: master: adi: fix number of bytes written to fifo 

adi_i3c_master_wr_to_tx_fifo computes the maximum number of bytes that can be
sent to the fifo but never makes use of it, actually limit the number of bytes
sent.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202509190505.fKGvEJRa-lkp@intel.com/
Reviewed-by: Jorge Marques <jorge.marques@analog.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250924195600.122142-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2025-09-24 21:56:00 +02:00
parent 649764145b
commit 8a1f3fd1a8
1 changed files with 1 additions and 1 deletions
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2
drivers/i3c/master/adi-i3c-master.c
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@ -135,7 +135,7 @@ static void adi_i3c_master_wr_to_tx_fifo(struct adi_i3c_master *master,
n = readl(master->regs + REG_SDO_FIFO_ROOM); n = readl(master->regs + REG_SDO_FIFO_ROOM);
m = min(n, nbytes); m = min(n, nbytes);
i3c_writel_fifo(master->regs + REG_SDO_FIFO, buf, nbytes); i3c_writel_fifo(master->regs + REG_SDO_FIFO, buf, m);
} }
static void adi_i3c_master_rd_from_rx_fifo(struct adi_i3c_master *master, static void adi_i3c_master_rd_from_rx_fifo(struct adi_i3c_master *master,