[Letux-kernel] [PATCH] mxc_epdc_fb: Fix build on LPAE kernels

[H. Nikolaus Schaller]

> Am 12.12.2020 um 10:07 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> On Sat, 12 Dec 2020 09:00:19 +0000
> David Shah <dave at ds0.me> wrote:
> 
>> This fixes mixing between u32 and dma_addr_t. I don't have hardware to
>> test this on, so I can only confirm it builds.
>> 
>> Signed-off-by: David Shah <dave at ds0.me>
>> ---
>> drivers/video/fbdev/mxc/mxc_epdc_fb.c | 12 ++++++++----
>> 1 file changed, 8 insertions(+), 4 deletions(-)
>> 
>> diff --git a/drivers/video/fbdev/mxc/mxc_epdc_fb.c b/drivers/video/fbdev/mxc/mxc_epdc_fb.c
>> index 005e276eb5da1..77df5ddf740c8 100644
>> --- a/drivers/video/fbdev/mxc/mxc_epdc_fb.c
>> +++ b/drivers/video/fbdev/mxc/mxc_epdc_fb.c
>> @@ -4720,6 +4720,7 @@ static void mxc_epdc_fb_fw_handler(const struct firmware *fw,
>> 	struct clk *epdc_parent;
>> 	unsigned long rounded_parent_rate, epdc_pix_rate,
>> 			rounded_pix_clk, target_pix_clk;
>> +	dma_addr_t temp_addr;
>> 
>> 	if (fw == NULL) {
>> 		/* If default FW file load failed, we give up */
>> @@ -4762,8 +4763,9 @@ static void mxc_epdc_fb_fw_handler(const struct firmware *fw,
>> 	/* Allocate memory for waveform data */
>> 	fb_data->waveform_buffer_virt = dma_alloc_coherent(fb_data->dev,
>> 						fb_data->waveform_buffer_size,
>> -						&fb_data->waveform_buffer_phys,
>> -						GFP_DMA | GFP_KERNEL);
>> +						&temp_addr,
>> +						GFP_DMA32 | GFP_KERNEL);
>> +	fb_data->waveform_buffer_phys = temp_addr;
> 
> use dma_addr_t for waveform_buffer_phys. I thought it was already
> patched long ago. No need for temp_addr.

Seems to be missing (also in letux-current).

Anyways for the pyra_defconfig this module can be completely disabled.

BR,
Nikolaus