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From: Alyssa Anne Rosenzweig To: Sven Peter Cc: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Felipe Balbi , Janne Grunau , Neal Gompa , Vinod Koul , Kishon Vijay Abraham I , Thinh Nguyen , Heikki Krogerus , Philipp Zabel , Frank Li , Ran Wang , Peter Chen , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, Hector Martin Subject: Re: [PATCH v2 18/22] phy: apple: Add Apple Type-C PHY Message-ID: References: <20250906-atcphy-6-17-v2-0-52c348623ef6@kernel.org> <20250906-atcphy-6-17-v2-18-52c348623ef6@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250906-atcphy-6-17-v2-18-52c348623ef6@kernel.org> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250907_061239_202740_5DBA9711 X-CRM114-Status: UNSURE ( 8.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Looks a lot nicer than the initial version I looked at a few months ago, nice work Sven :-) If we're going to define all those mask32/clear32/etc convenience helpers, there are a couple more we should probably add and use too: 1. void cond_set32(void __iomem *reg, bool cond, u32 mask) { if (cond) { set32(reg, mask); } else { clear32(reg, mask); } } Not sure on the name but this shows up a bunch of places and turns messy sequences into straight-line code at least. 2. #define bit_to_OV(reg, bit) \ clear32(reg, bit); \ set32(reg, bit ## _OV); \ Also not sure on the name, but this would make a bunch of sequences more compact. For example > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_OV); > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_2R); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_2R_OV); > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_4R); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_4R_OV); > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_OV); > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_2R); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_2R_OV); > clear32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_4R); > set32(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_4R_OV); turns into > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST); > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_2R); > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_POST_4R); > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE); > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_2R); > bit_to_OV(tx_shm + LN_AUSPMA_TX_SHM_TXA_IMP_REG3, LN_TXA_MARGIN_PRE_4R); 3. static inline const struct atcphy_mode_configuration *get_mode_cfg(struct apple_atcphy *atcphy, enum atcphy_mode) { if (atcphy->swap_lanes) return &atcphy_modes[mode].swapped; else return &atcphy_modes[mode].normal; } This only shows up two places but both would be improved by its use. --- With those cleanups (or an explanation why they're silly), ttbomk this is r-b me, thank you!