Le Thu, Feb 01, 2024 at 05:13:56PM +0000, Alexey Romanov a écrit :
> 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@xxxxxxxxxxxxxxxxx>
> > > ---
> > > 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.
>
Did you tried to set the driver as module ?
The breakage is when the driver is set as module.
Regards
