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staging: most: hdm-usb: Use macro DIV_ROUND_UP
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This occurence was detected using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1))/ (e2) + DIV_ROUND_UP(e1,e2) ) The macro CEILING was dropped altogether and has been replaced with DIV_ROUND_UP. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 1 additions and 2 deletions
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@ -40,7 +40,6 @@
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#define MAX_SUFFIX_LEN 10
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#define MAX_STRING_LEN 80
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#define MAX_BUF_SIZE 0xFFFF
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#define CEILING(x, y) (((x) + (y) - 1) / (y))
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#define USB_VENDOR_ID_SMSC 0x0424 /* VID: SMSC */
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#define USB_DEV_ID_BRDG 0xC001 /* PID: USB Bridge */
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@ -786,7 +785,7 @@ static int hdm_configure_channel(struct most_interface *iface, int channel,
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temp_size += tail_space;
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/* calculate extra length to comply w/ HW padding */
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conf->extra_len = (CEILING(temp_size, USB_MTU) * USB_MTU)
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conf->extra_len = (DIV_ROUND_UP(temp_size, USB_MTU) * USB_MTU)
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- conf->buffer_size;
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exit:
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mdev->conf[channel] = *conf;
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