net: pcnet: Remove CONFIG_PCNET_79C97x

These macros guard one switch-case statement, which grows mips malta
by some 20 bytes if debug is enabled, and even less if it is not. To
make the code simpler, just support all the NICs and be done with it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>

drivers/net/pcnet.c

@@ -21,10 +21,6 @@
 #define PCNET_DEBUG2(fmt,args...)	\
 	debug_cond(PCNET_DEBUG_LEVEL > 1, fmt ,##args)
 
-#if !defined(CONF_PCNET_79C973) && defined(CONF_PCNET_79C975)
-#error "Macro for PCnet chip version is not defined!"
-#endif
-
 /*
  * Set the number of Tx and Rx buffers, using Log_2(# buffers).
  * Reasonable default values are 4 Tx buffers, and 16 Rx buffers.
@@ -254,16 +250,12 @@ static int pcnet_probe(struct eth_device *dev, bd_t *bis, int dev_nr)
 	case 0x2621:
 		chipname = "PCnet/PCI II 79C970A";	/* PCI */
 		break;
-#ifdef CONFIG_PCNET_79C973
 	case 0x2625:
 		chipname = "PCnet/FAST III 79C973";	/* PCI */
 		break;
-#endif
-#ifdef CONFIG_PCNET_79C975
 	case 0x2627:
 		chipname = "PCnet/FAST III 79C975";	/* PCI */
 		break;
-#endif
 	default:
 		printf("%s: PCnet version %#x not supported\n",
 		       dev->name, chip_version);

include/configs/malta.h

@@ -16,7 +16,6 @@
 #define CONFIG_PCI_GT64120
 #define CONFIG_PCI_MSC01
 #define CONFIG_PCNET
-#define CONFIG_PCNET_79C973
 #define PCNET_HAS_PROM
 
 #define CONFIG_SYS_ISA_IO_BASE_ADDRESS	0

scripts/config_whitelist.txt

@@ -1292,8 +1292,6 @@ CONFIG_PCI_SYS_BUS
 CONFIG_PCI_SYS_PHYS
 CONFIG_PCI_SYS_SIZE
 CONFIG_PCNET
-CONFIG_PCNET_79C973
-CONFIG_PCNET_79C975
 CONFIG_PEN_ADDR_BIG_ENDIAN
 CONFIG_PERIF1_FREQ
 CONFIG_PERIF2_FREQ