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X-MS-Exchange-CrossPremises-SCL: 1 X-MS-Exchange-CrossPremises-Processed-By-Journaling: Journal Agent X-OrganizationHeadersPreserved: AS8P192MB2174.EURP192.PROD.OUTLOOK.COM X-Proofpoint-ORIG-GUID: LYunBbNA5meQfXHDZNkv4sJCQNta6Iro X-Proofpoint-GUID: LYunBbNA5meQfXHDZNkv4sJCQNta6Iro X-Authority-Analysis: v=2.4 cv=LINmQIW9 c=1 sm=1 tr=0 ts=6825b812 cx=c_pps a=ujVtL2Xc6AYuIgh9KuiIGw==:117 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=8gLI3H-aZtYA:10 a=N9GNhs4bAAAA:8 a=65p1ccFE3Hf02clXqFMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PZhj9NlD-CKO8hVp7yCs:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE1MDA5NSBTYWx0ZWRfXxKPxMb6hcZB/ dE5wj3408ZKgHfUzIrAV1BlDBWlEu3kV/suWVkAa4pwaXLHINUhy+s6o89+y7hjX3lKgaLjxJHO c/nPwr11BEy8sTiqTUYnVoeGKPJoByy1VLEALQ/ySR8EjCHvmvN4do2pu7ZIPiLzu+dFV9+aAoB AgSV2A3So0fXxE+df4L1HVsCYQE5N1aXUCaIDjpXyN2VwCs11JZv+4fGtP5I34z7imOT21R1xgl DLgRKQDooO5VfmCv/UEUTiZ6zvOMKkZ+M4qStdMDQTfapFMaiany+4/A9xkZzCsWyANqJKGpORP DSZovaodg3pHd6NYToEvR+ARex4Qadg8oz4eGMXVTTnlxmL28AHt1+vIx4rE8tpxVxSibfOuKBd vfoLK4MLzER2pxmXgMCwxFBdFivD7f+mZxiZ/O6YW0AYPHroFPVwUVB+xFVmYCUqUWJ5EFVm Am Thu, May 15, 2025 at 11:38:43AM +0200 schrieb Loic Poulain: > On Thu, May 15, 2025 at 11:26 AM Alexander Wilhelm > wrote: > > > > On big endian platforms like PowerPC the DMA address and size are required > > to be swapped. Otherwise the MHI bus does not start properly. The following > > example shows the error messages by using qcn9274 wireless radio module > > with ath12k driver: > > > > ath12k_pci 0001:01:00.0: BAR 0: assigned [mem 0xc00000000-0xc001fffff 64bit] > > ath12k_pci 0001:01:00.0: MSI vectors: 1 > > ath12k_pci 0001:01:00.0: Hardware name: qcn9274 hw2.0 > > ath12k_pci 0001:01:00.0: failed to set mhi state: POWER_ON(2) > > ath12k_pci 0001:01:00.0: failed to start mhi: -110 > > ath12k_pci 0001:01:00.0: failed to power up :-110 > > ath12k_pci 0001:01:00.0: failed to create soc core: -110 > > ath12k_pci 0001:01:00.0: failed to init core: -110 > > ath12k_pci: probe of 0001:01:00.0 failed with error -110 > > > > Signed-off-by: Alexander Wilhelm > > --- > > drivers/bus/mhi/host/boot.c | 8 ++++---- > > 1 file changed, 4 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c > > index efa3b6dddf4d..205d83ac069f 100644 > > --- a/drivers/bus/mhi/host/boot.c > > +++ b/drivers/bus/mhi/host/boot.c > > @@ -31,8 +31,8 @@ int mhi_rddm_prepare(struct mhi_controller *mhi_cntrl, > > int ret; > > > > for (i = 0; i < img_info->entries - 1; i++, mhi_buf++, bhi_vec++) { > > - bhi_vec->dma_addr = mhi_buf->dma_addr; > > - bhi_vec->size = mhi_buf->len; > > + bhi_vec->dma_addr = cpu_to_le64(mhi_buf->dma_addr); > > + bhi_vec->size = cpu_to_le64(mhi_buf->len); > > Ok, but then I think the bhi_vec_entry struct should be fixed as well, > using __le64 fields. > > Regards, > Loic Sure, I'll fix that. Thank you. Best regards Alexander Wilhelm