From 8a1f3fd1a89cd1d4acccb0181346ad212a275a69 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Wed, 24 Sep 2025 21:56:00 +0200 Subject: [PATCH] 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 Closes: https://lore.kernel.org/oe-kbuild-all/202509190505.fKGvEJRa-lkp@intel.com/ Reviewed-by: Jorge Marques Reviewed-by: Frank Li Link: https://lore.kernel.org/r/20250924195600.122142-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- drivers/i3c/master/adi-i3c-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i3c/master/adi-i3c-master.c b/drivers/i3c/master/adi-i3c-master.c index 18597ba1f1c3e..82ac0b3d057ab 100644 --- a/drivers/i3c/master/adi-i3c-master.c +++ b/drivers/i3c/master/adi-i3c-master.c @@ -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); 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, -- 2.47.3