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authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2026-02-27 09:53:59 +0000
committerJakub Kicinski <kuba@kernel.org>2026-03-02 18:35:06 -0800
commit1558705afbb293549fdedd539682bc5240e1964b (patch)
treee70d5939266f02ef3f1a843dbe36f3f2ee520831
parenta2a3832ad76d357aadabd2e730cbe4b26725fc8a (diff)
downloadlinux-1558705afbb293549fdedd539682bc5240e1964b.tar.gz
linux-1558705afbb293549fdedd539682bc5240e1964b.zip
net: stmmac: make dma_cfg mixed/fixed burst boolean
struct stmmac_dma_cfg mixed_burst/fixed_burst members are both boolean in nature - of_property_read_bool() are used to read these from DT, and they are only tested for non-zero values. Use bool to avoid unnecessary padding in this structure. Update dwmac-intel to initialise these using true rather than '1', and remove the '0' initialisers as the struct is already zero initialised on allocation. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/E1vvuXn-0000000AvnX-4A1u@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c4
-rw-r--r--include/linux/stmmac.h4
2 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 92d77b0c2f54..ece2a0c38562 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -636,8 +636,6 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
plat->dma_cfg->pbl = 32;
plat->dma_cfg->pblx8 = true;
- plat->dma_cfg->fixed_burst = 0;
- plat->dma_cfg->mixed_burst = 0;
plat->dma_cfg->aal = 0;
plat->dma_cfg->dche = true;
@@ -1106,7 +1104,7 @@ static int quark_default_data(struct pci_dev *pdev,
plat->dma_cfg->pbl = 16;
plat->dma_cfg->pblx8 = true;
- plat->dma_cfg->fixed_burst = 1;
+ plat->dma_cfg->fixed_burst = true;
/* AXI (TODO) */
return 0;
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 77e51eaa5ec5..2fc169c7117e 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -97,8 +97,8 @@ struct stmmac_dma_cfg {
int txpbl;
int rxpbl;
bool pblx8;
- int fixed_burst;
- int mixed_burst;
+ bool fixed_burst;
+ bool mixed_burst;
bool aal;
bool eame;
bool multi_msi_en;