| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | From 182afda3f2537022ac2e0b7f421977ba96ce864e Mon Sep 17 00:00:00 2001 |
| 2 | From: Camelia Groza <camelia.groza@nxp.com> |
| 3 | Date: Mon, 17 Sep 2018 12:44:51 +0300 |
| 4 | Subject: [PATCH] sdk_dpaa: ls1043a errata: move comment |
| 5 | |
| 6 | Signed-off-by: Camelia Groza <camelia.groza@nxp.com> |
| 7 | --- |
| 8 | drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h | 3 +++ |
| 9 | drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 3 --- |
| 10 | 2 files changed, 3 insertions(+), 3 deletions(-) |
| 11 | |
| 12 | --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h |
| 13 | +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h |
| 14 | @@ -682,6 +682,9 @@ extern bool dpaa_errata_a010022; /* SoC |
| 15 | #define HAS_DMA_ISSUE(start, size) \ |
| 16 | (((uintptr_t)(start) + (size)) > \ |
| 17 | (((uintptr_t)(start) + 0x1000) & ~0xFFF)) |
| 18 | +/* The headroom needs to accommodate our private data (64 bytes) but |
| 19 | + * we reserve 256 bytes instead to guarantee 256 data alignment. |
| 20 | + */ |
| 21 | #define DPAA_A010022_HEADROOM 256 |
| 22 | #endif /* !CONFIG_PPC */ |
| 23 | |
| 24 | --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c |
| 25 | +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c |
| 26 | @@ -823,9 +823,6 @@ static struct sk_buff *a010022_realign_s |
| 27 | struct page *npage; |
| 28 | void *npage_addr; |
| 29 | |
| 30 | - /* The headroom needs to accommodate our private data (64 bytes) but |
| 31 | - * we reserve 256 bytes instead to guarantee 256 data alignment. |
| 32 | - */ |
| 33 | headroom = DPAA_A010022_HEADROOM; |
| 34 | |
| 35 | /* For the new skb we only need the old one's data (both non-paged and |