From: Ludovic Barre <ludovic.Barre@st.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: <srinivas.kandagatla@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-mmc@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
Ludovic Barre <ludovic.barre@st.com>
Subject: [PATCH V3 1/5] mmc: mmci: add get_datactrl_cfg callback and helper functions
Date: Tue, 26 Mar 2019 10:11:06 +0100 [thread overview]
Message-ID: <1553591470-31419-2-git-send-email-ludovic.Barre@st.com> (raw)
In-Reply-To: <1553591470-31419-1-git-send-email-ludovic.Barre@st.com>
From: Ludovic Barre <ludovic.barre@st.com>
This patch adds get_datactrl_cfg callback in mmci_host_ops
to allow to get datactrl configuration specific at variant.
Common helper function is defined and could be call by variant.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
---
drivers/mmc/host/mmci.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 6bde28c..35c91d0 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -362,6 +362,7 @@ struct mmci_host_ops {
bool next);
void (*unprep_data)(struct mmci_host *host, struct mmc_data *data,
int err);
+ u32 (*get_datactrl_cfg)(struct mmci_host *host);
void (*get_next_data)(struct mmci_host *host, struct mmc_data *data);
int (*dma_setup)(struct mmci_host *host);
void (*dma_release)(struct mmci_host *host);
@@ -429,6 +430,11 @@ struct mmci_host {
void mmci_write_clkreg(struct mmci_host *host, u32 clk);
void mmci_write_pwrreg(struct mmci_host *host, u32 pwr);
+static inline u32 mmci_dctrl_blksz(struct mmci_host *host)
+{
+ return (ffs(host->data->blksz) - 1) << 4;
+}
+
#ifdef CONFIG_DMA_ENGINE
int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data,
bool next);
--
2.7.4
next prev parent reply other threads:[~2019-03-26 9:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-26 9:11 [PATCH V3 0/5] mmc: mmci: add get_datactrl_cfg callback Ludovic Barre
2019-03-26 9:11 ` Ludovic Barre [this message]
2019-03-26 9:11 ` [PATCH V3 2/5] mmc: mmci: define get_dctrl_cfg for legacy variant Ludovic Barre
2019-03-26 17:46 ` Ulf Hansson
2019-03-27 8:28 ` Ludovic BARRE
2019-03-26 9:11 ` [PATCH V3 3/5] mmc: mmci: qcom: define get_dctrl_cfg Ludovic Barre
2019-03-26 9:11 ` [PATCH V3 4/5] mmc: mmci: stm32: " Ludovic Barre
2019-03-26 9:11 ` [PATCH V3 5/5] mmc: mmci: replace blksz_datactrlXX by get_datactrl_cfg callback Ludovic Barre
2019-03-26 17:57 ` [PATCH V3 0/5] mmc: mmci: add " Ulf Hansson
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