From 38145ed12ed9935377fec40e0c3f50fbdda1e148 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Wed, 10 Jun 2020 11:37:41 +0800 Subject: [PATCH] usb: chipidea: udc: fix the ENDIAN issue Fix the ENDIAN issue when assign dTD entry. Reported-by: kbuild test robot Signed-off-by: Peter Chen --- drivers/usb/chipidea/udc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index db0cfde0cc3c..ff9de91d98ca 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -473,9 +473,10 @@ static void ci_add_buffer_entry(struct td_node *node, struct scatterlist *s) int empty_td_slot_index = (CI_MAX_BUF_SIZE - node->td_remaining_size) / CI_HDRC_PAGE_SIZE; int i; + u32 token; - node->ptr->token += - cpu_to_le32(sg_dma_len(s) << __ffs(TD_TOTAL_BYTES)); + token = le32_to_cpu(node->ptr->token) + (sg_dma_len(s) << __ffs(TD_TOTAL_BYTES)); + node->ptr->token = cpu_to_le32(token); for (i = empty_td_slot_index; i < TD_PAGE_COUNT; i++) { u32 page = (u32) sg_dma_address(s) +