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SubjectRe: [PATCH] Fix IO address calculation with Multi-Fintek PCI-to-UART Product
Dear Greg KH and Senior Linuxers,

I had some some question, If I submited a patch, but it had rejected,
how should I do when fix the patch?

1. send patch by reply original email ?
2. direct send patch with new email again?
3. other ways ?

Live long and prosper
Thanks

Greg KH 於 2014/11/19 上午 12:58 寫道:
> On Tue, Nov 18, 2014 at 05:48:08PM +0800, Peter Hung wrote:
>> Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
>
> We need some kind of information in the body of the changelog here.
>
>> ---
>> drivers/tty/serial/8250/8250_pci.c | 37 ++++++++++++++++++++++++-------------
>> 1 file changed, 24 insertions(+), 13 deletions(-)
>>
>> diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
>> index 0468e15..255bc56 100644
>> --- a/drivers/tty/serial/8250/8250_pci.c
>> +++ b/drivers/tty/serial/8250/8250_pci.c
>> @@ -1551,28 +1551,31 @@ static int pci_fintek_setup(struct serial_private *priv,
>> {
>> struct pci_dev *pdev = priv->dev;
>> unsigned long base;
>> - unsigned long iobase;
>> + unsigned long iobase = 0;
>> unsigned long ciobase = 0;
>> u8 config_base;
>> + u32 bar_data[3];
>> +
>>
>
> _ALWAYS_ run your patches through checkpatch.pl and fix up the issues it
> reports so that a grumpy maintainer doesn't reject your patch for
> obvious issues :(
>
>
>
>> /*
>> * We are supposed to be able to read these from the PCI config space,
>> * but the values there don't seem to match what we need to use, so
>> * just use these hard-coded values for now, as they are correct.
>> */
>> +
>> switch (idx) {
>> - case 0: iobase = 0xe000; config_base = 0x40; break;
>> - case 1: iobase = 0xe008; config_base = 0x48; break;
>> - case 2: iobase = 0xe010; config_base = 0x50; break;
>> - case 3: iobase = 0xe018; config_base = 0x58; break;
>> - case 4: iobase = 0xe020; config_base = 0x60; break;
>> - case 5: iobase = 0xe028; config_base = 0x68; break;
>> - case 6: iobase = 0xe030; config_base = 0x70; break;
>> - case 7: iobase = 0xe038; config_base = 0x78; break;
>> - case 8: iobase = 0xe040; config_base = 0x80; break;
>> - case 9: iobase = 0xe048; config_base = 0x88; break;
>> - case 10: iobase = 0xe050; config_base = 0x90; break;
>> - case 11: iobase = 0xe058; config_base = 0x98; break;
>> + case 0: config_base = 0x40; break;
>> + case 1: config_base = 0x48; break;
>> + case 2: config_base = 0x50; break;
>> + case 3: config_base = 0x58; break;
>> + case 4: config_base = 0x60; break;
>> + case 5: config_base = 0x68; break;
>> + case 6: config_base = 0x70; break;
>> + case 7: config_base = 0x78; break;
>> + case 8: config_base = 0x80; break;
>> + case 9: config_base = 0x88; break;
>> + case 10: config_base = 0x90; break;
>> + case 11: config_base = 0x98; break;
>> default:
>> /* Unknown number of ports, get out of here */
>> return -EINVAL;
>> @@ -1583,9 +1586,17 @@ static int pci_fintek_setup(struct serial_private *priv,
>> ciobase = (int)(base + (0x8 * idx));
>> }
>>
>> + pci_read_config_dword(pdev, 0x24, &bar_data[0]);
>> + pci_read_config_dword(pdev, 0x20, &bar_data[1]);
>> + pci_read_config_dword(pdev, 0x1c, &bar_data[2]);
>> +
>> + /* Calculate Real IO Port */
>> + iobase = (bar_data[idx/4] & 0xffffffE0) + (idx % 4) * 8;
>> +
>> dev_dbg(&pdev->dev, "%s: idx=%d iobase=0x%lx ciobase=0x%lx config_base=0x%2x\n",
>> __func__, idx, iobase, ciobase, config_base);
>>
>> +
>
> New line added for no reason?
>
> thanks,
>
> greg k-h
>
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