| Message ID | 20240123165831.970023-4-avromanov@salutedevices.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Support more Amlogic SoC families in crypto driver | expand |
Hello, On Wed, Jan 24, 2024 at 08:30:48AM +0100, Corentin Labbe wrote: > Le Tue, Jan 23, 2024 at 07:58:14PM +0300, Alexey Romanov a 'ecrit : > > To support other Amlogic SoC's we have to > > use platform data: descriptors and status registers > > offsets are individual for each SoC series. > > > > Signed-off-by: Alexey Romanov <avromanov@salutedevices.com> > > --- > > drivers/crypto/amlogic/amlogic-gxl-cipher.c | 2 +- > > drivers/crypto/amlogic/amlogic-gxl-core.c | 31 +++++++++++++++------ > > drivers/crypto/amlogic/amlogic-gxl.h | 11 ++++++++ > > 3 files changed, 35 insertions(+), 9 deletions(-) > > > > diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c > > index b19032f92415..7eff3ae7356f 100644 > > --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c > > +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c > > @@ -225,7 +225,7 @@ static int meson_cipher(struct skcipher_request *areq) > > > > reinit_completion(&mc->chanlist[flow].complete); > > mc->chanlist[flow].status = 0; > > - writel(mc->chanlist[flow].t_phy | 2, mc->base + (flow << 2)); > > + writel(mc->chanlist[flow].t_phy | 2, mc->base + ((mc->pdata->descs_reg + flow) << 2)); > > wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete, > > msecs_to_jiffies(500)); > > if (mc->chanlist[flow].status == 0) { > > diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c > > index a58644be76e9..2be381e157c4 100644 > > --- a/drivers/crypto/amlogic/amlogic-gxl-core.c > > +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c > > @@ -18,6 +18,7 @@ > > #include <linux/kernel.h> > > #include <linux/module.h> > > #include <linux/of.h> > > +#include <linux/of_device.h> > > #include <linux/platform_device.h> > > > > #include "amlogic-gxl.h" > > @@ -30,9 +31,10 @@ static irqreturn_t meson_irq_handler(int irq, void *data) > > > > for (flow = 0; flow < mc->flow_cnt; flow++) { > > if (mc->chanlist[flow].irq == irq) { > > - p = readl(mc->base + ((0x04 + flow) << 2)); > > + p = readl(mc->base + ((mc->pdata->status_reg + flow) << 2)); > > if (p) { > > - writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2)); > > + writel_relaxed(0xF, mc->base + > > + ((mc->pdata->status_reg + flow) << 2)); > > mc->chanlist[flow].status = 1; > > complete(&mc->chanlist[flow].complete); > > return IRQ_HANDLED; > > @@ -245,15 +247,34 @@ static void meson_unregister_algs(struct meson_dev *mc) > > } > > } > > > > +static const struct meson_pdata meson_gxl_pdata = { > > + .descs_reg = 0x0, > > + .status_reg = 0x4, > > +}; > > + > > +static const struct of_device_id meson_crypto_of_match_table[] = { > > + { > > + .compatible = "amlogic,gxl-crypto", > > + .data = &meson_gxl_pdata, > > + }, > > + {}, > > +}; > > + > > static int meson_crypto_probe(struct platform_device *pdev) > > { > > + const struct of_device_id *match; > > struct meson_dev *mc; > > int err; > > > > + match = of_match_device(meson_crypto_of_match_table, &pdev->dev); > > + if (!match) > > + return -EINVAL; > > + > > mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); > > if (!mc) > > return -ENOMEM; > > > > + mc->pdata = match->data; > > mc->dev = &pdev->dev; > > platform_set_drvdata(pdev, mc); > > > > @@ -312,12 +333,6 @@ static void meson_crypto_remove(struct platform_device *pdev) > > clk_disable_unprepare(mc->busclk); > > } > > > > -static const struct of_device_id meson_crypto_of_match_table[] = { > > - { .compatible = "amlogic,gxl-crypto", }, > > - {} > > -}; > > -MODULE_DEVICE_TABLE(of, meson_crypto_of_match_table); > > Hello > > This patch breaks bisection, since it removes MODULE_DEVICE_TABLE. > After applying patchs 1,2,3 the driver does not load anymore on lepotato board. Please, give more information. I applied the first 3 patches and the driver probes correctly. > > Regards
diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c index b19032f92415..7eff3ae7356f 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c +++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c @@ -225,7 +225,7 @@ static int meson_cipher(struct skcipher_request *areq) reinit_completion(&mc->chanlist[flow].complete); mc->chanlist[flow].status = 0; - writel(mc->chanlist[flow].t_phy | 2, mc->base + (flow << 2)); + writel(mc->chanlist[flow].t_phy | 2, mc->base + ((mc->pdata->descs_reg + flow) << 2)); wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete, msecs_to_jiffies(500)); if (mc->chanlist[flow].status == 0) { diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c index a58644be76e9..2be381e157c4 100644 --- a/drivers/crypto/amlogic/amlogic-gxl-core.c +++ b/drivers/crypto/amlogic/amlogic-gxl-core.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include "amlogic-gxl.h" @@ -30,9 +31,10 @@ static irqreturn_t meson_irq_handler(int irq, void *data) for (flow = 0; flow < mc->flow_cnt; flow++) { if (mc->chanlist[flow].irq == irq) { - p = readl(mc->base + ((0x04 + flow) << 2)); + p = readl(mc->base + ((mc->pdata->status_reg + flow) << 2)); if (p) { - writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2)); + writel_relaxed(0xF, mc->base + + ((mc->pdata->status_reg + flow) << 2)); mc->chanlist[flow].status = 1; complete(&mc->chanlist[flow].complete); return IRQ_HANDLED; @@ -245,15 +247,34 @@ static void meson_unregister_algs(struct meson_dev *mc) } } +static const struct meson_pdata meson_gxl_pdata = { + .descs_reg = 0x0, + .status_reg = 0x4, +}; + +static const struct of_device_id meson_crypto_of_match_table[] = { + { + .compatible = "amlogic,gxl-crypto", + .data = &meson_gxl_pdata, + }, + {}, +}; + static int meson_crypto_probe(struct platform_device *pdev) { + const struct of_device_id *match; struct meson_dev *mc; int err; + match = of_match_device(meson_crypto_of_match_table, &pdev->dev); + if (!match) + return -EINVAL; + mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); if (!mc) return -ENOMEM; + mc->pdata = match->data; mc->dev = &pdev->dev; platform_set_drvdata(pdev, mc); @@ -312,12 +333,6 @@ static void meson_crypto_remove(struct platform_device *pdev) clk_disable_unprepare(mc->busclk); } -static const struct of_device_id meson_crypto_of_match_table[] = { - { .compatible = "amlogic,gxl-crypto", }, - {} -}; -MODULE_DEVICE_TABLE(of, meson_crypto_of_match_table); - static struct platform_driver meson_crypto_driver = { .probe = meson_crypto_probe, .remove_new = meson_crypto_remove, diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h index 79177cfa8b88..9ad75da214ff 100644 --- a/drivers/crypto/amlogic/amlogic-gxl.h +++ b/drivers/crypto/amlogic/amlogic-gxl.h @@ -78,6 +78,16 @@ struct meson_flow { #endif }; +/* + * struct meson_pdata - SoC series dependent data. + * @reg_descs: offset to descriptors register + * @reg_status: offset to status register + */ +struct meson_pdata { + u32 descs_reg; + u32 status_reg; +}; + /* * struct meson_dev - main container for all this driver information * @base: base address of amlogic-crypto @@ -93,6 +103,7 @@ struct meson_dev { void __iomem *base; struct clk *busclk; struct device *dev; + const struct meson_pdata *pdata; struct meson_flow *chanlist; atomic_t flow; int flow_cnt;
To support other Amlogic SoC's we have to use platform data: descriptors and status registers offsets are individual for each SoC series. Signed-off-by: Alexey Romanov <avromanov@salutedevices.com> --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 2 +- drivers/crypto/amlogic/amlogic-gxl-core.c | 31 +++++++++++++++------ drivers/crypto/amlogic/amlogic-gxl.h | 11 ++++++++ 3 files changed, 35 insertions(+), 9 deletions(-)