Le Tue, Jan 23, 2024 at 07:58:14PM +0300, Alexey Romanov a écrit :
> 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.
Regards
