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staging: most: consolidate code
The function drci_rd_reg() always delivers little endian representation of the 16-bit DCI register. The value returned by this function must always be carefully converted from __le16 to u16 type. This patch moves all those conversions to the function itself. Signed-off-by: Andrey Shvetsov <andrey.shvetsov@k2l.de> Signed-off-by: Christian Gromm <christian.gromm@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 6 deletions
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@ -159,7 +159,7 @@ static inline int drci_rd_reg(struct usb_device *dev, u16 reg, u16 *buf)
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DRCI_READ_REQ, req_type,
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0x0000,
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reg, dma_buf, sizeof(u16), 5 * HZ);
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*buf = *dma_buf;
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*buf = le16_to_cpu(*dma_buf);
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kfree(dma_buf);
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return retval;
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@ -804,19 +804,16 @@ static int hdm_update_netinfo(struct most_dev *mdev)
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dev_err(dev, "Vendor request \"hw_addr_hi\" failed\n");
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return -1;
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}
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le16_to_cpus(&hi);
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if (drci_rd_reg(usb_device, DRCI_REG_HW_ADDR_MI, &mi) < 0) {
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dev_err(dev, "Vendor request \"hw_addr_mid\" failed\n");
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return -1;
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}
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le16_to_cpus(&mi);
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if (drci_rd_reg(usb_device, DRCI_REG_HW_ADDR_LO, &lo) < 0) {
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dev_err(dev, "Vendor request \"hw_addr_low\" failed\n");
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return -1;
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}
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le16_to_cpus(&lo);
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mutex_lock(&mdev->io_mutex);
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mdev->hw_addr[0] = hi >> 8;
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@ -832,7 +829,6 @@ static int hdm_update_netinfo(struct most_dev *mdev)
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dev_err(dev, "Vendor request \"link status\" failed\n");
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return -1;
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}
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le16_to_cpus(&link);
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mutex_lock(&mdev->io_mutex);
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mdev->link_stat = link;
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@ -1083,7 +1079,7 @@ static ssize_t show_value(struct most_dci_obj *dci_obj,
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if (err < 0)
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return err;
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return snprintf(buf, PAGE_SIZE, "%04x\n", le16_to_cpu(tmp_val));
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return snprintf(buf, PAGE_SIZE, "%04x\n", tmp_val);
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}
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static ssize_t store_value(struct most_dci_obj *dci_obj,
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