Re: [ALSA - driver 0001138]: errors when installing au8820 modules

[Raymond <rayau@netvigator.com>]

It seem that no one has informed the bug reporter about the patch and he 
is using Intel X86_64 instead of your AMD 64

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1138

Alien wrote:
> I don't think it'll be faster, gcc -O2 will have changed it accordingly 
> anyway, without optimization it might be faster, but the thing is that it 
> just looks cleaner...
> 
> Op woensdag 8 juni 2005 11:06, schreef Raymond:
> 
>>au8830 can be loaded after I change "unsigned long __iomem *mmio" to
>>"void __iomem *mmio" on my 32 bits machine.
>>
>>How can I obtain the disassembly of snd-au8830.o to prove that it run
>>faster than before ( without bitshift ) ?
>>
>>alsa-kernel/pci/au88x0/au88x0.h
>>
>>@@ -41,8 +41,8 @@
>>
>>  #define        VORTEX_DMA_MASK 0xffffffff
>>
>>
>>-#define        hwread(x,y) readl((x)+((y)>>2))
>>-#define        hwwrite(x,y,z) writel((z),(x)+((y)>>2))
>>+#define        hwread(x,y) readl((x)+(y))
>>+#define        hwwrite(x,y,z) writel((z),(x)+(y))
>>
>>@@ -172,7 +172,7 @@
>>
>>         /* PCI hardware resources */
>>         unsigned long io;
>>-       unsigned long __iomem *mmio;
>>+       void __iomem *mmio;
>>         unsigned int irq;
>>         spinlock_t lock;
>>
>>
>>
>>I don't have any MPU401 device to test this change.
>>
>>
>>alsa-kernel/pci/au88x0/au88x0_mpu401.c
>>@@ -95,7 +95,7 @@
>>                 return temp;
>>         }
>>  #else
>>-       port = (unsigned long)(vortex->mmio + (VORTEX_MIDI_DATA >> 2));
>>+       port = (unsigned long)(vortex->mmio + VORTEX_MIDI_DATA);
>>         if ((temp =
>>              snd_mpu401_uart_new(vortex->card, 0, MPU401_HW_AUREAL, port,
>>                                  1, 0, 0, &rmidi)) != 0) {
>>@@ -105,7 +105,7 @@
>>                 return temp;
>>         }
>>         mpu = rmidi->private_data;
>>-       mpu->cport = (unsigned long)(vortex->mmio + (VORTEX_MIDI_CMD >>
>>2)); +       mpu->cport = (unsigned long)(vortex->mmio + VORTEX_MIDI_CMD);
>>#endif
>>         vortex->rmidi = rmidi;
>>         return 0;
>>
>>



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