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spi: rockchip: Add print information in case of spi exception

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Change-Id: I3c512486ae69b2d155a1f67bdb3ce34996796d90
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2023-01-29 17:52:10 +08:00
parent db45871299
commit 68768b8646
1 changed files with 5 additions and 0 deletions
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5
drivers/spi/spi-rockchip.c
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@ -303,6 +303,11 @@ static void rockchip_spi_handle_err(struct spi_controller *ctlr,
{
struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
dev_err(rs->dev, "state=%x\n", atomic_read(&rs->state));
dev_err(rs->dev, "tx_left=%x\n", rs->tx_left);
dev_err(rs->dev, "rx_left=%x\n", rs->rx_left);
print_hex_dump(KERN_ERR, "regs ", DUMP_PREFIX_OFFSET, 4, 4, rs->regs, 0x4c, 0);
/* stop running spi transfer
* this also flushes both rx and tx fifos
*/