[PATCH] net: stmmac: xgmac: fix initializer element is not constant error

[Mark O'Donovan]

GCC prior to 8.x gives an "initializer element is not constant"
error for the uses of dpp_tx_err in dwxgmac3_dma_dpp_errors.
Newer compilers accept either version.

More info here:
https://lore.kernel.org/all/20240103-fix-bq24190_charger-vbus_desc-non-const-v1-1-115ddf798c70@xxxxxxxxxx

Signed-off-by: Mark O'Donovan <shiftee@xxxxxxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 323c57f03c93..c02c035b81c0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -830,8 +830,8 @@ static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= {
 	{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
 };
 
-static const char * const dpp_rx_err = "Read Rx Descriptor Parity checker Error";
-static const char * const dpp_tx_err = "Read Tx Descriptor Parity checker Error";
+#define dpp_rx_err "Read Rx Descriptor Parity checker Error"
+#define dpp_tx_err "Read Tx Descriptor Parity checker Error"
 static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = {
 	{ true, "TDPES0", dpp_tx_err },
 	{ true, "TDPES1", dpp_tx_err },

base-commit: 841c35169323cd833294798e58b9bf63fa4fa1de
-- 
2.39.2