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brcmfmac: keep SDIO watchdog running when console_interval is non-zero

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[ Upstream commit eccbf46b15bb3e35d004148f7c3a8fa8e9b26c1e ]

brcmfmac host driver makes SDIO bus sleep and stops SDIO watchdog if no
pending event or data. As a result, host driver does not poll firmware
console buffer before buffer overflow, which leads to missing firmware
logs. We should not stop SDIO watchdog if console_interval is non-zero
in debug build.

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200604071835.3842-4-wright.feng@cypress.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wright Feng 2020-06-04 02:18:33 -05:00 • committed by Greg Kroah-Hartman
commit 29dd5e5309
1 changed files with 5 additions and 1 deletions
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6
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
View file

@ -3685,7 +3685,11 @@ static void brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus)
if (bus->idlecount > bus->idletime) {
brcmf_dbg(SDIO, "idle\n");
sdio_claim_host(bus->sdiodev->func1);
brcmf_sdio_wd_timer(bus, false);
#ifdef DEBUG
if (!BRCMF_FWCON_ON() ||
bus->console_interval == 0)
#endif
brcmf_sdio_wd_timer(bus, false);
bus->idlecount = 0;
brcmf_sdio_bus_sleep(bus, true, false);
sdio_release_host(bus->sdiodev->func1);