Commit 8a1f3fd1 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

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: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202509190505.fKGvEJRa-lkp@intel.com/


Reviewed-by: default avatarJorge Marques <jorge.marques@analog.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250924195600.122142-1-alexandre.belloni@bootlin.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent 64976414

drivers/i3c/master/adi-i3c-master.c

+1 −1
Original line number Diff line number Diff line
@@ -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,