From 79a4f4dfa69a8379ab34675be976c2f866c77403 Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Sun, 19 Nov 2023 07:39:41 +0200 Subject: [PATCH] net: stmmac: reduce dma ring display code duplication The code to show extended descriptor is identical to normal one. Consolidate the code to remove duplication. Signed-off-by: Baruch Siach Link: https://lore.kernel.org/r/a2a5c5ce9338bdea60ec71d7eeb00fe757281557.1700372381.git.baruch@tkos.co.il Signed-off-by: Paolo Abeni --- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 28 ++++++++----------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 8ab99c65ac59..97598c1497ea 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -6180,29 +6180,23 @@ static struct dentry *stmmac_fs_dir; static void sysfs_display_ring(void *head, int size, int extend_desc, struct seq_file *seq, dma_addr_t dma_phy_addr) { - int i; struct dma_extended_desc *ep = (struct dma_extended_desc *)head; struct dma_desc *p = (struct dma_desc *)head; + unsigned int desc_size; dma_addr_t dma_addr; + int i; + desc_size = extend_desc ? sizeof(*ep) : sizeof(*p); for (i = 0; i < size; i++) { - if (extend_desc) { - dma_addr = dma_phy_addr + i * sizeof(*ep); - seq_printf(seq, "%d [%pad]: 0x%x 0x%x 0x%x 0x%x\n", - i, &dma_addr, - le32_to_cpu(ep->basic.des0), - le32_to_cpu(ep->basic.des1), - le32_to_cpu(ep->basic.des2), - le32_to_cpu(ep->basic.des3)); - ep++; - } else { - dma_addr = dma_phy_addr + i * sizeof(*p); - seq_printf(seq, "%d [%pad]: 0x%x 0x%x 0x%x 0x%x\n", - i, &dma_addr, - le32_to_cpu(p->des0), le32_to_cpu(p->des1), - le32_to_cpu(p->des2), le32_to_cpu(p->des3)); + dma_addr = dma_phy_addr + i * desc_size; + seq_printf(seq, "%d [%pad]: 0x%x 0x%x 0x%x 0x%x\n", + i, &dma_addr, + le32_to_cpu(p->des0), le32_to_cpu(p->des1), + le32_to_cpu(p->des2), le32_to_cpu(p->des3)); + if (extend_desc) + p = &(++ep)->basic; + else p++; - } } } -- 2.25.1