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Sat, 05 Nov 2022 14:17:01 +0100 Date: Sat, 5 Nov 2022 14:17:01 +0100 From: Johan Hovold To: Vinod Koul Cc: Johan Hovold , Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 09/16] phy: qcom-qmp-pcie: add register init helper Message-ID: References: <20221028133603.18470-1-johan+linaro@kernel.org> <20221028133603.18470-10-johan+linaro@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221105_061724_675548_3D47B8A7 X-CRM114-Status: GOOD ( 22.68 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Sat, Nov 05, 2022 at 05:38:54PM +0530, Vinod Koul wrote: > On 28-10-22, 15:35, Johan Hovold wrote: > > Generalise the serdes initialisation helper so that it can be used to > > initialise all the PHY registers (e.g. serdes, tx, rx, pcs). > > > > Note that this defers the ungating of the PIPE clock somewhat, which is > > fine as it isn't needed until starting the PHY. > > > > Signed-off-by: Johan Hovold > > --- > > drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 37 +++++------------------- > > 1 file changed, 8 insertions(+), 29 deletions(-) > > > > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > > index 791ed7ef0eab..f57d10f20277 100644 > > --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > > +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c > > @@ -1820,27 +1820,22 @@ static void qmp_pcie_configure(void __iomem *base, > > qmp_pcie_configure_lane(base, tbl, num, 0xff); > > } > > > > -static void qmp_pcie_serdes_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tbls) > > -{ > > - void __iomem *serdes = qmp->serdes; > > - > > - if (!tbls) > > - return; > > - > > - qmp_pcie_configure(serdes, tbls->serdes, tbls->serdes_num); > > -} > > - > > -static void qmp_pcie_lanes_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tbls) > > +static void qmp_pcie_init_registers(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tbls) > > { > > const struct qmp_phy_cfg *cfg = qmp->cfg; > > + void __iomem *serdes = qmp->serdes; > > void __iomem *tx = qmp->tx; > > void __iomem *rx = qmp->rx; > > void __iomem *tx2 = qmp->tx2; > > void __iomem *rx2 = qmp->rx2; > > + void __iomem *pcs = qmp->pcs; > > + void __iomem *pcs_misc = qmp->pcs_misc; > > > > if (!tbls) > > return; > > > > + qmp_pcie_configure(serdes, tbls->serdes, tbls->serdes_num); > > We are tbls Yeah, it's a separate function. Note that qmp_pcie_configure_lane() above use 'tbl' too. > > + > > qmp_pcie_configure_lane(tx, tbls->tx, tbls->tx_num, 1); > > qmp_pcie_configure_lane(rx, tbls->rx, tbls->rx_num, 1); > > > > @@ -1848,15 +1843,6 @@ static void qmp_pcie_lanes_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_t > > qmp_pcie_configure_lane(tx2, tbls->tx, tbls->tx_num, 2); > > qmp_pcie_configure_lane(rx2, tbls->rx, tbls->rx_num, 2); > > } > > -} > > - > > -static void qmp_pcie_pcs_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tbls) > > -{ > > - void __iomem *pcs = qmp->pcs; > > - void __iomem *pcs_misc = qmp->pcs_misc; > > - > > - if (!tbls) > > - return; > > > > qmp_pcie_configure(pcs, tbls->pcs, tbls->pcs_num); > > qmp_pcie_configure(pcs_misc, tbls->pcs_misc, tbls->pcs_misc_num); > > @@ -1932,8 +1918,8 @@ static int qmp_pcie_power_on(struct phy *phy) > > else > > mode_tables = cfg->tables_ep; > > > > - qmp_pcie_serdes_init(qmp, &cfg->tables); > > - qmp_pcie_serdes_init(qmp, mode_tables); > > + qmp_pcie_init_registers(qmp, &cfg->tables); > > + qmp_pcie_init_registers(qmp, mode_tables); > > but here tables :( > > Lets stick with either please, or if we have differentiation lets make > it real obvious It's not uncommon to use shorter local identifiers and a more descriptive name in structures, but since the driver already used 'tbl' consistently before the recent addition of the aggregate tables structure, I can rename also those pointers so that we use 'tbl' and 'tbls' consistently throughout the driver. Johan -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy