From: Arend van Spriel <arend.vanspriel@broadcom.com>
To: Wright Feng <wright.feng@cypress.com>,
franky.lin@broadcom.com, hante.meuleman@broadcom.com,
kvalo@codeaurora.org, chi-hsien.lin@cypress.com
Cc: linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com
Subject: Re: [PATCH v2] brcmfmac: fix CLM load error for legacy chips when user helper is enabled
Date: Fri, 12 Jan 2018 11:55:36 +0100 [thread overview]
Message-ID: <5A589428.7020502@broadcom.com> (raw)
In-Reply-To: <1515743056-8109-1-git-send-email-wright.feng@cypress.com>
On 1/12/2018 8:44 AM, Wright Feng wrote:
> For legacy chips without CLM blob files, kernel with user helper function
> returns -EAGAIN when we request_firmware() for blob file. In this case,
> brcmf_bus_started gets error and failed to bring up legacy chips.
> Because of that, we should continue with CLM data currently present in
> firmware if getting -EAGAIN when doing request_firmware().
>
> Signed-off-by: Wright Feng <wright.feng@cypress.com>
> ---
> v2: remove retry from patch v1
> ---
> drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
> index 6a59d06..0baab4c 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
> @@ -182,7 +182,7 @@ static int brcmf_c_process_clm_blob(struct brcmf_if *ifp)
>
> err = request_firmware(&clm, clm_name, dev);
> if (err) {
> - if (err == -ENOENT) {
> + if (err == -ENOENT || err == -EAGAIN) {
> brcmf_dbg(INFO, "continue with CLM data currently present in firmware\n");
> return 0;
> }
Hi Wright,
Why don't we just fall-back to "CLM in firmware" regardless of the error
code? Also it might be better to use brcmf_info() instead of
brcmf_dbg(INFO, ..).
Regards,
Arend
next prev parent reply other threads:[~2018-01-12 10:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-12 7:44 [PATCH v2] brcmfmac: fix CLM load error for legacy chips when user helper is enabled Wright Feng
2018-01-12 10:55 ` Arend van Spriel [this message]
2018-01-12 11:16 ` Kalle Valo
2018-01-15 10:09 ` Wright Feng
2018-01-15 19:54 ` Arend van Spriel
2018-01-16 1:52 ` Wright Feng
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