Re: [PATCH 1/5] bus: mhi: core: debugfs: Use correct format specifiers for addresses

[Greg KH]

On Sun, Sep 27, 2020 at 09:06:48AM +0530, Manivannan Sadhasivam wrote:
> For exposing the addresses of read/write pointers and doorbell register,
> let's use the correct format specifiers. This fixes the following issues
> generated using W=1 build in ARM32 and reported by Kbuild bot:
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/bus/mhi/core/debugfs.c:75:7: warning: format specifies type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'unsigned int') [-Wformat]
>                               mhi_event->db_cfg.db_val);
>                               ^~~~~~~~~~~~~~~~~~~~~~~~
>    drivers/bus/mhi/core/debugfs.c:123:7: warning: format specifies type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'unsigned int') [-Wformat]
>                               mhi_chan->db_cfg.db_val);
>                               ^~~~~~~~~~~~~~~~~~~~~~~
>    2 warnings generated.
> 
> drivers/bus/mhi/core/debugfs.c: In function ‘mhi_debugfs_events_show’:
> drivers/bus/mhi/core/debugfs.c:74:51: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>    seq_printf(m, " local rp: 0x%llx db: 0x%pad\n", (u64)ring->rp,
>                                                    ^
> drivers/bus/mhi/core/debugfs.c: In function ‘mhi_debugfs_channels_show’:
> drivers/bus/mhi/core/debugfs.c:122:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>        (u64)ring->rp, (u64)ring->wp,
>        ^
> drivers/bus/mhi/core/debugfs.c:122:22: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>        (u64)ring->rp, (u64)ring->wp,
>                       ^
> drivers/bus/mhi/core/debugfs.c:121:62: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘dma_addr_t {aka unsigned int}’ [-Wformat=]
>    seq_printf(m, " local rp: 0x%llx local wp: 0x%llx db: 0x%llx\n",
>                                                            ~~~^
>                                                            %x
> drivers/bus/mhi/core/debugfs.c:123:7:
>        mhi_chan->db_cfg.db_val);
> 
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
>  drivers/bus/mhi/core/debugfs.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)

This file is not in any of the branches of any of my trees.

What was it made against?

confused,

greg k-h