[ALSA] sparse address space annotations

ALSA Core,RawMidi Midlevel,ALSA<-OSS emulation,ALSA sequencer
RME32 driver,RME96 driver,EMU10K1/EMU10K2 driver,NM256 driver
Add sparse annotations where we do strange this with __iomem/__user
pointers.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

4 files changed, 15 insertions, 11 deletions

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 637c555cfdb1..2f7a03103c91 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -470,7 +470,7 @@ static void snd_emu10k1_write_op(emu10k1_fx8010_code_t *icode, unsigned int *ptr
 {
         u_int32_t *code;
         snd_assert(*ptr < 512, return);
-        code = (u_int32_t *)icode->code + (*ptr) * 2;
+        code = (u_int32_t __force *)icode->code + (*ptr) * 2;
         set_bit(*ptr, icode->code_valid);
         code[0] = ((x & 0x3ff) << 10) | (y & 0x3ff);
         code[1] = ((op & 0x0f) << 20) | ((r & 0x3ff) << 10) | (a & 0x3ff);
@@ -485,7 +485,7 @@ static void snd_emu10k1_audigy_write_op(emu10k1_fx8010_code_t *icode, unsigned i
 {
         u_int32_t *code;
         snd_assert(*ptr < 1024, return);
-        code = (u_int32_t *)icode->code + (*ptr) * 2;
+        code = (u_int32_t __force *)icode->code + (*ptr) * 2;
         set_bit(*ptr, icode->code_valid);
         code[0] = ((x & 0x7ff) << 12) | (y & 0x7ff);
         code[1] = ((op & 0x0f) << 24) | ((r & 0x7ff) << 12) | (a & 0x7ff);
@@ -1042,7 +1042,7 @@ static int __devinit _snd_emu10k1_audigy_init_efx(emu10k1_t *emu)
                 err = -ENOMEM;
                 goto __err;
         }
-        gpr_map = (u32 *)icode->gpr_map;
+        gpr_map = (u32 __force *)icode->gpr_map;
 
         icode->tram_data_map = icode->gpr_map + 512;
         icode->tram_addr_map = icode->tram_data_map + 256;
@@ -1431,7 +1431,7 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
  __err:
         kfree(controls);
         if (icode != NULL) {
-                kfree((void *)icode->gpr_map);
+                kfree((void __force *)icode->gpr_map);
                 kfree(icode);
         }
         return err;
@@ -1511,7 +1511,7 @@ static int __devinit _snd_emu10k1_init_efx(emu10k1_t *emu)
                 err = -ENOMEM;
                 goto __err;
         }
-        gpr_map = (u32 *)icode->gpr_map;
+        gpr_map = (u32 __force *)icode->gpr_map;
 
         icode->tram_data_map = icode->gpr_map + 256;
         icode->tram_addr_map = icode->tram_data_map + 160;
@@ -2032,7 +2032,7 @@ static int __devinit _snd_emu10k1_init_efx(emu10k1_t *emu)
         kfree(ipcm);
         kfree(controls);
         if (icode != NULL) {
-                kfree((void *)icode->gpr_map);
+                kfree((void __force *)icode->gpr_map);
                 kfree(icode);
         }
         return err;
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index 2bbeb10ff7c4..24f146b6ebab 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -840,7 +840,7 @@ static void snd_nm256_setup_stream(nm256_t *chip, nm256_stream_t *s,
         runtime->hw = *hw_ptr;
         runtime->hw.buffer_bytes_max = s->bufsize;
         runtime->hw.period_bytes_max = s->bufsize / 2;
-        runtime->dma_area = (void*) s->bufptr;
+        runtime->dma_area = (void __force *) s->bufptr;
         runtime->dma_addr = s->bufptr_addr;
         runtime->dma_bytes = s->bufsize;
         runtime->private_data = s;
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index 456be39e8e4a..cfb5f44b2d43 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -692,7 +692,8 @@ snd_rme32_playback_hw_params(snd_pcm_substream_t * substream,
                 if (err < 0)
                         return err;
         } else {
-                runtime->dma_area = (void *)(rme32->iobase + RME32_IO_DATA_BUFFER);
+                runtime->dma_area = (void __force *)(rme32->iobase +
+                                                     RME32_IO_DATA_BUFFER);
                 runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
                 runtime->dma_bytes = RME32_BUFFER_SIZE;
         }
@@ -746,7 +747,8 @@ snd_rme32_capture_hw_params(snd_pcm_substream_t * substream,
                 if (err < 0)
                         return err;
         } else {
-                runtime->dma_area = (void *)rme32->iobase + RME32_IO_DATA_BUFFER;
+                runtime->dma_area = (void __force *)rme32->iobase +
+                                        RME32_IO_DATA_BUFFER;
                 runtime->dma_addr = rme32->port + RME32_IO_DATA_BUFFER;
                 runtime->dma_bytes = RME32_BUFFER_SIZE;
         }
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 9645e9004a48..2da33138fa4b 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -985,7 +985,8 @@ snd_rme96_playback_hw_params(snd_pcm_substream_t *substream,
         snd_pcm_runtime_t *runtime = substream->runtime;
         int err, rate, dummy;
 
-        runtime->dma_area = (void *)(rme96->iobase + RME96_IO_PLAY_BUFFER);
+        runtime->dma_area = (void __force *)(rme96->iobase +
+                                             RME96_IO_PLAY_BUFFER);
         runtime->dma_addr = rme96->port + RME96_IO_PLAY_BUFFER;
         runtime->dma_bytes = RME96_BUFFER_SIZE;
 
@@ -1037,7 +1038,8 @@ snd_rme96_capture_hw_params(snd_pcm_substream_t *substream,
         snd_pcm_runtime_t *runtime = substream->runtime;
         int err, isadat, rate;
         
-        runtime->dma_area = (void *)(rme96->iobase + RME96_IO_REC_BUFFER);
+        runtime->dma_area = (void __force *)(rme96->iobase +
+                                             RME96_IO_REC_BUFFER);
         runtime->dma_addr = rme96->port + RME96_IO_REC_BUFFER;
         runtime->dma_bytes = RME96_BUFFER_SIZE;