RE: [v2 4/4] spi: aspeed: Add ASPEED FMC/SPI memory controller driver

[Chin-Ting Kuo <chin-ting_kuo@xxxxxxxxxxxxxx>]

Hi Mark,

Thanks for your comment.

> -----Original Message-----
> From: Mark Brown <broonie@xxxxxxxxxx>
> Sent: Thursday, November 5, 2020 4:40 AM
> To: Chin-Ting Kuo <chin-ting_kuo@xxxxxxxxxxxxxx>
> Cc: robh+dt@xxxxxxxxxx; joel@xxxxxxxxx; andrew@xxxxxxxx; clg@xxxxxxxx;
> bbrezillon@xxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; linux-aspeed@xxxxxxxxxxxxxxxx;
> linux-spi@xxxxxxxxxxxxxxx; BMC-SW <BMC-SW@xxxxxxxxxxxxxx>
> Subject: Re: [v2 4/4] spi: aspeed: Add ASPEED FMC/SPI memory controller
> driver
> 
> On Tue, Nov 03, 2020 at 03:22:02PM +0800, Chin-Ting Kuo wrote:
> > Add driver for ASPEED BMC FMC/SPI memory controller which supports
> > spi-mem interface.
> 
> This breaks the build for me with an x86 allmodconfig:

I will fix these problems on the next patch version.

> 
> /mnt/kernel/drivers/spi/spi-aspeed.c: In function
> 'aspeed_2600_spi_dma_checksum':
> /mnt/kernel/drivers/spi/spi-aspeed.c:195:9: warning: cast from pointer to
> integer of different size [-Wpointer-to-int-cast]
>   writel((uint32_t)ast_ctrl->chips[cs].ahb_base_phy,
>          ^
> /mnt/kernel/drivers/spi/spi-aspeed.c: In function
> 'aspeed_spi_decode_range_config':
> /mnt/kernel/drivers/spi/spi-aspeed.c:488:27: warning: cast to pointer from
> integer of different size [-Wint-to-pointer-cast]
>    chip[cs].ahb_base_phy = (void __iomem *)start_addr_phy;
>                            ^
> In file included from /mnt/kernel/include/linux/printk.h:409,
>                  from /mnt/kernel/include/linux/kernel.h:16,
>                  from /mnt/kernel/include/linux/clk.h:13,
>                  from /mnt/kernel/drivers/spi/spi-aspeed.c:11:
> /mnt/kernel/drivers/spi/spi-aspeed.c: In function 'aspeed_spi_exec_op':
> /mnt/kernel/drivers/spi/spi-aspeed.c:619:44: warning: cast from pointer to
> integer of different size [-Wpointer-to-int-cast]
>    ctrl_val, addr_mode_reg, addr_data_mask, (uint32_t)op_addr);
>                                             ^
> /mnt/kernel/include/linux/dynamic_debug.h:129:15: note: in definition of
> macro '__dynamic_func_call'
>    func(&id, ##__VA_ARGS__);  \
>                ^~~~~~~~~~~
> /mnt/kernel/include/linux/dynamic_debug.h:161:2: note: in expansion of
> macro '_dynamic_func_call'
>   _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
>   ^~~~~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dev_printk.h:123:2: note: in expansion of macro
> 'dynamic_dev_dbg'
>   dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
>   ^~~~~~~~~~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c:618:2: note: in expansion of macro
> 'dev_dbg'
>   dev_dbg(dev, "ctrl: 0x%08x, addr_mode: 0x%x, mask: 0x%x, addr:0x%08x\n",
>   ^~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c: In function 'aspeed_spi_dirmap_read':
> /mnt/kernel/drivers/spi/spi-aspeed.c:651:25: warning: format '%x' expects
> argument of type 'unsigned int', but argument 6 has type 'size_t' {aka 'long
> unsigned int'} [-Wformat=]
>   dev_dbg(ast_ctrl->dev, "read op:0x%x, addr:0x%llx, len:0x%x\n",
>                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dynamic_debug.h:129:15: note: in definition of
> macro '__dynamic_func_call'
>    func(&id, ##__VA_ARGS__);  \
>                ^~~~~~~~~~~
> /mnt/kernel/include/linux/dynamic_debug.h:161:2: note: in expansion of
> macro '_dynamic_func_call'
>   _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
>   ^~~~~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dev_printk.h:123:2: note: in expansion of macro
> 'dynamic_dev_dbg'
>   dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
>   ^~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dev_printk.h:123:23: note: in expansion of macro
> 'dev_fmt'
>   dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
>                        ^~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c:651:2: note: in expansion of macro
> 'dev_dbg'
>   dev_dbg(ast_ctrl->dev, "read op:0x%x, addr:0x%llx, len:0x%x\n",
>   ^~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c: In function 'aspeed_spi_dirmap_write':
> /mnt/kernel/drivers/spi/spi-aspeed.c:676:25: warning: format '%x' expects
> argument of type 'unsigned int', but argument 6 has type 'size_t' {aka 'long
> unsigned int'} [-Wformat=]
>   dev_dbg(ast_ctrl->dev, "write op:0x%x, addr:0x%llx, len:0x%x\n",
> 
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dynamic_debug.h:129:15: note: in definition of
> macro '__dynamic_func_call'
>    func(&id, ##__VA_ARGS__);  \
>                ^~~~~~~~~~~
> /mnt/kernel/include/linux/dynamic_debug.h:161:2: note: in expansion of
> macro '_dynamic_func_call'
>   _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
>   ^~~~~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dev_printk.h:123:2: note: in expansion of macro
> 'dynamic_dev_dbg'
>   dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
>   ^~~~~~~~~~~~~~~
> /mnt/kernel/include/linux/dev_printk.h:123:23: note: in expansion of macro
> 'dev_fmt'
>   dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
>                        ^~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c:676:2: note: in expansion of macro
> 'dev_dbg'
>   dev_dbg(ast_ctrl->dev, "write op:0x%x, addr:0x%llx, len:0x%x\n",
>   ^~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c: At top level:
> /mnt/kernel/drivers/spi/spi-aspeed.c:820:17: error: initialization of 'ssize_t
> (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  void *)' {aka 'long int
> (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,
> void *)'} from incompatible pointer type 'int (*)(struct spi_mem_dirmap_desc
> *, uint64_t,  size_t,  void *)' {aka 'int (*)(struct spi_mem_dirmap_desc *,
> long long unsigned int,  long unsigned int,  void *)'}
> [-Werror=incompatible-pointer-types]
>   .dirmap_read = aspeed_spi_dirmap_read,
>                  ^~~~~~~~~~~~~~~~~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c:820:17: note: (near initialization for
> 'aspeed_spi_mem_ops.dirmap_read')
> /mnt/kernel/drivers/spi/spi-aspeed.c:821:18: error: initialization of 'ssize_t
> (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  const void *)' {aka 'long int
> (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,
> const void *)'} from incompatible pointer type 'int (*)(struct
> spi_mem_dirmap_desc *, uint64_t,  size_t,  const void *)' {aka 'int (*)(struct
> spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,  const
> void *)'} [-Werror=incompatible-pointer-types]
>   .dirmap_write = aspeed_spi_dirmap_write,
>                   ^~~~~~~~~~~~~~~~~~~~~~~
> /mnt/kernel/drivers/spi/spi-aspeed.c:821:18: note: (near initialization for
> 'aspeed_spi_mem_ops.dirmap_write')
> cc1: some warnings being treated as errors