linux-kernel - Re: [PATCH 1/9] Input: synaptics-rmi4 - fix firmware update operations with bootloader v8

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Date:   Thu, 22 Sep 2022 16:06:48 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     Matthias Schiffer <matthias.schiffer@...tq-group.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] Input: synaptics-rmi4 - fix firmware update
 operations with bootloader v8

Would add a Cc: stable@...r.kernel.org for this

With that fixed: Reviewed-by: Lyude Paul <lyude@...hat.com>

On Wed, 2022-06-08 at 14:48 +0200, Matthias Schiffer wrote:
> Commit a6977d758fed ("Input: synaptics-rmi4 - support bootloader v8 in
> f34v7") allowed the F34v7 driver to probe with bootloader v8, but it did
> not update various other bootloader version checks in the F34 code.
> 
> Fixes: a6977d758fed ("Input: synaptics-rmi4 - support bootloader v8 in f34v7")
> Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
> ---
>  drivers/input/rmi4/rmi_f34.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c
> index e5dca9868f87..3afc94f679ed 100644
> --- a/drivers/input/rmi4/rmi_f34.c
> +++ b/drivers/input/rmi4/rmi_f34.c
> @@ -370,7 +370,7 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
>  
>  	f34 = dev_get_drvdata(&data->f34_container->dev);
>  
> -	if (f34->bl_version == 7) {
> +	if (f34->bl_version >= 7) {
>  		if (data->pdt_props & HAS_BSR) {
>  			dev_err(dev, "%s: LTS not supported\n", __func__);
>  			return -ENODEV;
> @@ -382,7 +382,7 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
>  	}
>  
>  	/* Enter flash mode */
> -	if (f34->bl_version == 7)
> +	if (f34->bl_version >= 7)
>  		ret = rmi_f34v7_start_reflash(f34, fw);
>  	else
>  		ret = rmi_f34_enable_flash(f34);
> @@ -413,7 +413,7 @@ static int rmi_firmware_update(struct rmi_driver_data *data,
>  	f34 = dev_get_drvdata(&data->f34_container->dev);
>  
>  	/* Perform firmware update */
> -	if (f34->bl_version == 7)
> +	if (f34->bl_version >= 7)
>  		ret = rmi_f34v7_do_reflash(f34, fw);
>  	else
>  		ret = rmi_f34_update_firmware(f34, fw);

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat