mips: r4000: Renovate coding style

The script checkpatch.pl located in scripts folder was
used to detect all errors and warrnings in file:
    hw/mips/mips_r4k.c

This mips r4000 machine file was edited and
all the errors and warrings generated by the checkpatch.pl
script were corrected and then the script was
ran again to make sure there are no more errors and warnings.

Signed-off-by: Filip Bozuta <Filip.Bozuta@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1575640687-20744-5-git-send-email-Filip.Bozuta@rt-rk.com>

hw/mips/mips_r4k.c

@@ -6,7 +6,7 @@
  * ISA memory at the 0x10000000 (PHYS, 16Mb in size).
  * All peripherial devices are attached to this "bus" with
  * the standard PC ISA addresses.
-*/
+ */
 
 #include "qemu/osdep.h"
 #include "qemu/units.h"
@@ -54,17 +54,18 @@ static struct _loaderparams {
     const char *initrd_filename;
 } loaderparams;
 
-static void mips_qemu_write (void *opaque, hwaddr addr,
-                             uint64_t val, unsigned size)
+static void mips_qemu_write(void *opaque, hwaddr addr,
+                            uint64_t val, unsigned size)
 {
-    if ((addr & 0xffff) == 0 && val == 42)
+    if ((addr & 0xffff) == 0 && val == 42) {
         qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
-    else if ((addr & 0xffff) == 4 && val == 42)
+    } else if ((addr & 0xffff) == 4 && val == 42) {
         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
+    }
 }
 
-static uint64_t mips_qemu_read (void *opaque, hwaddr addr,
-                                unsigned size)
+static uint64_t mips_qemu_read(void *opaque, hwaddr addr,
+                               unsigned size)
 {
     return 0;
 }
@@ -100,8 +101,9 @@ static int64_t load_kernel(void)
                            (uint64_t *)&kernel_high, big_endian,
                            EM_MIPS, 1, 0);
     if (kernel_size >= 0) {
-        if ((entry & ~0x7fffffffULL) == 0x80000000)
+        if ((entry & ~0x7fffffffULL) == 0x80000000) {
             entry = (int32_t)entry;
+        }
     } else {
         error_report("could not load kernel '%s': %s",
                      loaderparams.kernel_filename,
@@ -113,9 +115,10 @@ static int64_t load_kernel(void)
     initrd_size = 0;
     initrd_offset = 0;
     if (loaderparams.initrd_filename) {
-        initrd_size = get_image_size (loaderparams.initrd_filename);
+        initrd_size = get_image_size(loaderparams.initrd_filename);
         if (initrd_size > 0) {
-            initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK;
+            initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) &
+                             INITRD_PAGE_MASK;
             if (initrd_offset + initrd_size > ram_size) {
                 error_report("memory too small for initial ram disk '%s'",
                              loaderparams.initrd_filename);
@@ -139,11 +142,13 @@ static int64_t load_kernel(void)
     params_buf[1] = tswap32(0x12345678);
 
     if (initrd_size > 0) {
-        snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%" PRId64 " %s",
+        snprintf((char *)params_buf + 8, 256,
+                 "rd_start=0x%" PRIx64 " rd_size=%" PRId64 " %s",
                  cpu_mips_phys_to_kseg0(NULL, initrd_offset),
                  initrd_size, loaderparams.kernel_cmdline);
     } else {
-        snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline);
+        snprintf((char *)params_buf + 8, 256,
+        "%s", loaderparams.kernel_cmdline);
     }
 
     rom_add_blob_fixed("params", params_buf, params_size,
@@ -207,15 +212,21 @@ void mips_r4k_init(MachineState *machine)
 
     memory_region_add_subregion(address_space_mem, 0, ram);
 
-    memory_region_init_io(iomem, NULL, &mips_qemu_ops, NULL, "mips-qemu", 0x10000);
+    memory_region_init_io(iomem, NULL, &mips_qemu_ops,
+                          NULL, "mips-qemu", 0x10000);
+
     memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem);
 
-    /* Try to load a BIOS image. If this fails, we continue regardless,
-       but initialize the hardware ourselves. When a kernel gets
-       preloaded we also initialize the hardware, since the BIOS wasn't
-       run. */
-    if (bios_name == NULL)
+    /*
+     * Try to load a BIOS image. If this fails, we continue regardless,
+     * but initialize the hardware ourselves. When a kernel gets
+     * preloaded we also initialize the hardware, since the BIOS wasn't
+     * run.
+     */
+
+    if (bios_name == NULL) {
         bios_name = BIOS_FILENAME;
+    }
     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
     if (filename) {
         bios_size = get_image_size(filename);
@@ -227,6 +238,7 @@ void mips_r4k_init(MachineState *machine)
 #else
     be = 0;
 #endif
+    dinfo = drive_get(IF_PFLASH, 0, 0);
     if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) {
         bios = g_new(MemoryRegion, 1);
         memory_region_init_ram(bios, NULL, "mips_r4k.bios", BIOS_SIZE,
@@ -235,7 +247,7 @@ void mips_r4k_init(MachineState *machine)
         memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios);
 
         load_image_targphys(filename, 0x1fc00000, BIOS_SIZE);
-    } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) {
+    } else if (dinfo != NULL) {
         uint32_t mips_rom = 0x00400000;
         if (!pflash_cfi01_register(0x1fc00000, "mips_r4k.bios", mips_rom,
                                    blk_by_legacy_dinfo(dinfo),
@@ -280,11 +292,12 @@ void mips_r4k_init(MachineState *machine)
 
     isa_vga_init(isa_bus);
 
-    if (nd_table[0].used)
+    if (nd_table[0].used) {
         isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]);
+    }
 
     ide_drive_get(hd, ARRAY_SIZE(hd));
-    for(i = 0; i < MAX_IDE_BUS; i++)
+    for (i = 0; i < MAX_IDE_BUS; i++)
         isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
                      hd[MAX_IDE_DEVS * i],
                      hd[MAX_IDE_DEVS * i + 1]);