From 7ba21a082d3eb40787416dc0d1e980b7de1cc490 Mon Sep 17 00:00:00 2001 From: Yonglin Tan Date: Wed, 9 Feb 2022 21:57:52 +0800 Subject: [PATCH] bus: mhi: pci_generic: Add mru_default for Quectel EM1xx series 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") Signed-off-by: Yonglin Tan Reviewed-by: Manivannan Sadhasivam Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/MEYP282MB2374EE345DADDB591AFDA6AFFD2E9@MEYP282MB2374.AUSP282.PROD.OUTLOOK.COM Signed-off-by: Manivannan Sadhasivam --- 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 b79895810c52f..9527b7d638401 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, };