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Miller" , Sean Wang , John Crispin , Matthias Brugger , Andrew Lunn Subject: [PATCH net, v2 2/3] net: ethernet: mediatek: Refine the timing of GDM/PSE setup Date: Mon, 11 Nov 2019 14:51:28 +0800 Message-ID: <20191111065129.30078-3-Mark-MC.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191111065129.30078-1-Mark-MC.Lee@mediatek.com> References: <20191111065129.30078-1-Mark-MC.Lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191110_225141_433405_ADC32539 X-CRM114-Status: GOOD ( 10.33 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Rene van Dorst , Rob Herring , linux-mediatek@lists.infradead.org, MarkLee , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Refine the timing of GDM/PSE setup, move it from mtk_hw_init to mtk_open. This is recommended by the mt762x HW design to do GDM/PSE setup only after PDMA has been started. We exclude mt7628 in mtk_gdm_config function since it is a old IP and there is no GDM/PSE block on it. Signed-off-by: MarkLee -- v1->v2: * no change --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 6e7a7fea2f52..b147ab0e44ce 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2184,6 +2184,9 @@ static void mtk_gdm_config(struct mtk_eth *eth, u32 config) { int i; + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) + return; + for (i = 0; i < MTK_MAC_COUNT; i++) { u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); @@ -2222,6 +2225,8 @@ static int mtk_open(struct net_device *dev) if (err) return err; + mtk_gdm_config(eth, MTK_GDMA_TO_PDMA); + napi_enable(ð->tx_napi); napi_enable(ð->rx_napi); mtk_tx_irq_enable(eth, MTK_TX_DONE_INT); @@ -2405,8 +2410,6 @@ static int mtk_hw_init(struct mtk_eth *eth) mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2); mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); - mtk_gdm_config(eth, MTK_GDMA_TO_PDMA); - return 0; err_disable_pm: -- 2.17.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek