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Miller" , Alexandre Torgue , Jose Abreu , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Joao Pinto , Simon Horman Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, xfr@outlook.com, rock.xu@nio.com, Furong Xu <0x1207@gmail.com> Subject: [PATCH net v1] net: stmmac: xgmac: Disable FPE MMC interrupts Date: Thu, 23 Nov 2023 17:35:38 +0800 Message-Id: <20231123093538.2216633-1-0x1207@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 23 Nov 2023 01:36:24 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783346955020521099 X-GMAIL-MSGID: 1783346955020521099 Commit aeb18dd07692 ("net: stmmac: xgmac: Disable MMC interrupts by default") leaves the FPE(Frame Preemption) MMC interrupts enabled. Now we disable FPE TX and RX interrupts too. Fixes: aeb18dd07692 ("net: stmmac: xgmac: Disable MMC interrupts by default") Signed-off-by: Furong Xu <0x1207@gmail.com> --- drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c index ea4910ae0921..cdd7fbde2bfa 100644 --- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -177,8 +177,10 @@ #define MMC_XGMAC_RX_DISCARD_OCT_GB 0x1b4 #define MMC_XGMAC_RX_ALIGN_ERR_PKT 0x1bc +#define MMC_XGMAC_FPE_TX_INTR_MASK 0x204 #define MMC_XGMAC_TX_FPE_FRAG 0x208 #define MMC_XGMAC_TX_HOLD_REQ 0x20c +#define MMC_XGMAC_FPE_RX_INTR_MASK 0x224 #define MMC_XGMAC_RX_PKT_ASSEMBLY_ERR 0x228 #define MMC_XGMAC_RX_PKT_SMD_ERR 0x22c #define MMC_XGMAC_RX_PKT_ASSEMBLY_OK 0x230 @@ -352,6 +354,8 @@ static void dwxgmac_mmc_intr_all_mask(void __iomem *mmcaddr) { writel(0x0, mmcaddr + MMC_RX_INTR_MASK); writel(0x0, mmcaddr + MMC_TX_INTR_MASK); + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_FPE_TX_INTR_MASK); + writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_FPE_RX_INTR_MASK); writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_RX_IPC_INTR_MASK); }