rtw89: pci: set address info registers depends on chips

Address info registers are used to configure size of DMA address info to
point skb->data. With different size, it can support different number of
scatters.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220325060055.58482-6-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 2fd746d..25d385b 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -2348,6 +2348,7 @@ EXPORT_SYMBOL(rtw89_pci_ltr_set_v1);
 static int rtw89_pci_ops_mac_post_init(struct rtw89_dev *rtwdev)
 {
        const struct rtw89_pci_info *info = rtwdev->pci_info;
+       enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
        int ret;
 
        ret = info->ltr_set(rtwdev, true);
@@ -2355,14 +2356,16 @@ static int rtw89_pci_ops_mac_post_init(struct rtw89_dev *rtwdev)
                rtw89_err(rtwdev, "pci ltr set fail\n");
                return ret;
        }
-       if (rtwdev->chip->chip_id == RTL8852A) {
+       if (chip_id == RTL8852A) {
                /* ltr sw trigger */
                rtw89_write32_set(rtwdev, R_AX_LTR_CTRL_0, B_AX_APP_LTR_ACT);
        }
-       /* ADDR info 8-byte mode */
-       rtw89_write32_set(rtwdev, R_AX_TX_ADDRESS_INFO_MODE_SETTING,
-                         B_AX_HOST_ADDR_INFO_8B_SEL);
-       rtw89_write32_clr(rtwdev, R_AX_PKTIN_SETTING, B_AX_WD_ADDR_INFO_LENGTH);
+       if (chip_id == RTL8852A || chip_id == RTL8852B) {
+               /* ADDR info 8-byte mode */
+               rtw89_write32_set(rtwdev, R_AX_TX_ADDRESS_INFO_MODE_SETTING,
+                                 B_AX_HOST_ADDR_INFO_8B_SEL);
+               rtw89_write32_clr(rtwdev, R_AX_PKTIN_SETTING, B_AX_WD_ADDR_INFO_LENGTH);
+       }
 
        /* enable DMA for all queues */
        rtw89_write32_clr(rtwdev, info->dma_stop1_reg, B_AX_TX_STOP1_ALL);