src/drivers: add IS_ENABLED() around Kconfig symbol references

Some of these can be changed from #if to if(), but that will happen
in a follow-on commmit.

Change-Id: Ib3a1cf04482a8f19b159c31cfb16a7b492748d91
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/20352
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/drivers/elog/boot_count.c

@@ -27,7 +27,7 @@
  * This can either be declared as part of the option
  * table or statically defined in the board config.
  */
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 # include "option_table.h"
 # define BOOT_COUNT_CMOS_OFFSET (CMOS_VSTART_boot_count_offset >> 3)
 #else

src/drivers/elog/elog.c

@@ -13,13 +13,13 @@
  * GNU General Public License for more details.
  */
 
-#if CONFIG_HAVE_ACPI_RESUME == 1
+#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 #include <arch/acpi.h>
 #endif
 #include <bootstate.h>
 #include <cbmem.h>
 #include <console/console.h>
-#if CONFIG_ARCH_X86
+#if IS_ENABLED(CONFIG_ARCH_X86)
 #include <pc80/mc146818rtc.h>
 #endif
 #include <bcd.h>
@@ -786,8 +786,8 @@ int elog_init(void)
 
 #if !defined(__SMM__)
 	/* Log boot count event except in S3 resume */
-#if CONFIG_ELOG_BOOT_COUNT == 1
-#if CONFIG_HAVE_ACPI_RESUME == 1
+#if IS_ENABLED(CONFIG_ELOG_BOOT_COUNT)
+#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 		if (!acpi_is_wakeup_s3())
 #endif
 		elog_add_event_dword(ELOG_TYPE_BOOT, boot_count_read());
@@ -796,9 +796,9 @@ int elog_init(void)
 		elog_add_event_dword(ELOG_TYPE_BOOT, 0);
 #endif
 
-#if CONFIG_ARCH_X86
+#if IS_ENABLED(CONFIG_ARCH_X86)
 	/* Check and log POST codes from previous boot */
-	if (CONFIG_CMOS_POST)
+	if (IS_ENABLED(CONFIG_CMOS_POST))
 		cmos_post_log();
 #endif
 #endif

src/drivers/intel/gma/int15.h

@@ -26,7 +26,7 @@ enum {
 };
 
 
-#if CONFIG_VGA_ROM_RUN
+#if IS_ENABLED(CONFIG_VGA_ROM_RUN)
 /* Install custom int15 handler for VGA OPROM */
 void install_intel_vga_int15_handler(int active_lfp, int pfit, int display, int panel_type);
 #else

src/drivers/pc80/pc/i8254.c

@@ -32,7 +32,7 @@ void setup_i8254(void)
 	outb(0x12, TIMER1_PORT);
 }
 
-#if CONFIG_UDELAY_TIMER2
+#if IS_ENABLED(CONFIG_UDELAY_TIMER2)
 static void load_timer2(unsigned int ticks)
 {
 	/* Set up the timer gate, turn off the speaker */

src/drivers/pc80/rtc/mc146818rtc.c

@@ -28,7 +28,7 @@
 #include <cbfs.h>
 
 /* There's no way around this include guard. option_table.h is autogenerated */
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 #include "option_table.h"
 #else
 #define LB_CKS_RANGE_START	0

src/drivers/pc80/rtc/mc146818rtc_romcc.c

@@ -1,7 +1,7 @@
 #include <stdint.h>
 #include <pc80/mc146818rtc.h>
 #include <fallback.h>
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 #include "option_table.h"
 #endif
 
@@ -19,7 +19,7 @@ static int cmos_error(void)
 
 static int cmos_chksum_valid(void)
 {
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 	unsigned char addr;
 	u16 sum, old_sum;
 
@@ -93,7 +93,7 @@ static inline __attribute__((unused)) int do_normal_boot(void)
 
 unsigned read_option_lowlevel(unsigned start, unsigned size, unsigned def)
 {
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 	unsigned byte;
 
 	byte = cmos_read(start/8);

src/drivers/uart/util.c

@@ -13,14 +13,14 @@
 
 #include <console/console.h>
 #include <console/uart.h>
-#if CONFIG_USE_OPTION_TABLE
+#if IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 #include <option.h>
 #include "option_table.h"
 #endif
 
 unsigned int default_baudrate(void)
 {
-#if !defined(__SMM__) && CONFIG_USE_OPTION_TABLE
+#if !defined(__SMM__) && IS_ENABLED(CONFIG_USE_OPTION_TABLE)
 	static const unsigned baud[8] =
 		{ 115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200 };
 	unsigned b_index = 0;

src/drivers/usb/ehci_debug.c

@@ -33,7 +33,7 @@ struct ehci_debug_info {
 	struct dbgp_pipe ep_pipe[DBGP_MAX_ENDPOINTS];
 };
 
-#if CONFIG_DEBUG_USBDEBUG
+#if IS_ENABLED(CONFIG_DEBUG_USBDEBUG)
 static void dbgp_print_data(struct ehci_dbg_port *ehci_debug);
 static int dbgp_enabled(void);
 # define dprintk(LEVEL, args...) \
@@ -197,7 +197,7 @@ static void dbgp_get_data(struct ehci_dbg_port *ehci_debug, void *buf, int size)
 		bytes[i] = (hi >> (8*(i - 4))) & 0xff;
 }
 
-#if CONFIG_DEBUG_USBDEBUG
+#if IS_ENABLED(CONFIG_DEBUG_USBDEBUG)
 static void dbgp_print_data(struct ehci_dbg_port *ehci_debug)
 {
 	u32 ctrl = read32(&ehci_debug->control);
@@ -578,7 +578,7 @@ err:
 	//return ret;
 
 next_debug_port:
-#if CONFIG_USBDEBUG_DEFAULT_PORT==0
+#if CONFIG_USBDEBUG_DEFAULT_PORT == 0
 	port_map_tried |= (1 << (debug_port - 1));
 	new_debug_port = ((debug_port-1 + 1) % n_ports) + 1;
 	if (port_map_tried != ((1 << n_ports) - 1)) {
@@ -599,7 +599,7 @@ next_debug_port:
 	return -10;
 }
 
-#if CONFIG_DEBUG_USBDEBUG
+#if IS_ENABLED(CONFIG_DEBUG_USBDEBUG)
 static int dbgp_enabled(void)
 {
 	struct dbgp_pipe *globals = &dbgp_ehci_info()->ep_pipe[DBGP_SETUP_EP0];