Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+1
-1
+1
-1
drivers/i3c/master/adi-i3c-master.c
+1
-1
drivers/i3c/master/adi-i3c-master.c
···
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n = readl(master->regs + REG_SDO_FIFO_ROOM);
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m = min(n, nbytes);
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-
i3c_writel_fifo(master->regs + REG_SDO_FIFO, buf, nbytes);
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+
i3c_writel_fifo(master->regs + REG_SDO_FIFO, buf, m);
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}
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static void adi_i3c_master_rd_from_rx_fifo(struct adi_i3c_master *master,