x86: Remove the ancient and deprecated disable_hlt() and enable_hlt() facility

[firefly-linux-kernel-4.4.55.git] / drivers / block / floppy.c

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 744f078f4dd8311caed330939afbcdc29c2da913..b0b00d70c1669d6ef05993deb313dc516a23d552 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -202,7 +202,6 @@ static int slow_floppy;
 
 #include <asm/dma.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 
 static int FLOPPY_IRQ = 6;
 static int FLOPPY_DMA = 2;
@@ -1031,37 +1030,6 @@ static int fd_wait_for_completion(unsigned long delay, timeout_fn function)
        return 0;
 }
 
-static DEFINE_SPINLOCK(floppy_hlt_lock);
-static int hlt_disabled;
-static void floppy_disable_hlt(void)
-{
-       unsigned long flags;
-
-       WARN_ONCE(1, "floppy_disable_hlt() scheduled for removal in 2012");
-       spin_lock_irqsave(&floppy_hlt_lock, flags);
-       if (!hlt_disabled) {
-               hlt_disabled = 1;
-#ifdef HAVE_DISABLE_HLT
-               disable_hlt();
-#endif
-       }
-       spin_unlock_irqrestore(&floppy_hlt_lock, flags);
-}
-
-static void floppy_enable_hlt(void)
-{
-       unsigned long flags;
-
-       spin_lock_irqsave(&floppy_hlt_lock, flags);
-       if (hlt_disabled) {
-               hlt_disabled = 0;
-#ifdef HAVE_DISABLE_HLT
-               enable_hlt();
-#endif
-       }
-       spin_unlock_irqrestore(&floppy_hlt_lock, flags);
-}
-
 static void setup_DMA(void)
 {
        unsigned long f;
@@ -1106,7 +1074,6 @@ static void setup_DMA(void)
        fd_enable_dma();
        release_dma_lock(f);
 #endif
-       floppy_disable_hlt();
 }
 
 static void show_floppy(void);
@@ -1708,7 +1675,6 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
        fd_disable_dma();
        release_dma_lock(f);
 
-       floppy_enable_hlt();
        do_floppy = NULL;
        if (fdc >= N_FDC || FDCS->address == -1) {
                /* we don't even know which FDC is the culprit */
@@ -1857,8 +1823,6 @@ static void floppy_shutdown(unsigned long data)
                show_floppy();
        cancel_activity();
 
-       floppy_enable_hlt();
-
        flags = claim_dma_lock();
        fd_disable_dma();
        release_dma_lock(flags);
@@ -4509,7 +4473,6 @@ static void floppy_release_irq_and_dma(void)
 #if N_FDC > 1
        set_dor(1, ~8, 0);
 #endif
-       floppy_enable_hlt();
 
        if (floppy_track_buffer && max_buffer_sectors) {
                tmpsize = max_buffer_sectors * 1024;