lkml.org 
[lkml]   [2021]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] mtd: rawnand: brcmnand: move to polling in pio mode on oops write
Date
This change makes sure that Broadcom NAND driver moves to interrupt
polling on the first brcmnand_write() call.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
---
drivers/mtd/nand/raw/brcmnand/brcmnand.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 1c95b21aa63b..e6966db5f0d8 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2341,6 +2341,10 @@ static int brcmnand_write(struct mtd_info *mtd, struct nand_chip *chip,
for (i = 0; i < ctrl->max_oob; i += 4)
oob_reg_write(ctrl, i, 0xffffffff);

+ if (mtd->oops_panic_write)
+ /* switch to interrupt polling and PIO mode */
+ disable_ctrl_irqs(ctrl);
+
if (use_dma(ctrl) && (has_edu(ctrl) || !oob) && flash_dma_buf_ok(buf)) {
if (ctrl->dma_trans(host, addr, (u32 *)buf, oob, mtd->writesize,
CMD_PROGRAM_PAGE))
--
2.17.1
\
 
 \ /
  Last update: 2021-03-11 18:16    [W:0.045 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site