Re: [PATCH] bus: mhi: pci_generic: Add mru_default for Quectel EM1xx series

From: Manivannan Sadhasivam <mani@kernel.org>
To: Yonglin Tan <yonglin.tan@outlook.com>
Cc: mani@kernel.org, hemantk@codeaurora.org, mhi@lists.linux.dev,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] bus: mhi: pci_generic: Add mru_default for Quectel EM1xx series
Date: Thu, 10 Feb 2022 09:49:54 +0530	[thread overview]
Message-ID: <20220210041954.GA5294@thinkpad> (raw)
In-Reply-To: <MEYP282MB2374EE345DADDB591AFDA6AFFD2E9@MEYP282MB2374.AUSP282.PROD.OUTLOOK.COM>

On Wed, Feb 09, 2022 at 09:57:52PM +0800, Yonglin Tan wrote:
> For default mechanism, the driver uses default MRU 3500 if mru_default
> is not initialized. The Qualcomm configured the MRU size to 32768 in the
> WWAN device FW. So, we align the driver setting with Qualcomm FW setting.
> 
> Fixes: ac4bf60bbaa0 ("bus: mhi: pci_generic: Introduce quectel EM1XXGR-L support")
> Cc: stable@vger.kernel.org
> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
> Signed-off-by: Yonglin Tan <yonglin.tan@outlook.com>

Applied to mhi-fixes!

Thanks,
Mani

> ---
>  drivers/bus/mhi/pci_generic.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index b79895810c52..9527b7d63840 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -327,6 +327,7 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>  	.config = &modem_quectel_em1xx_config,
>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>  	.dma_data_width = 32,
> +	.mru_default = 32768,
>  	.sideband_wake = true,
>  };
>  
> -- 
> 2.7.4
> 
> 