6a7f227731
David noticed the original define was hiding 'err' variable reference. Thats confusing and counterintuitive. Andrew noted the whole macro could be replaced with standard readx_poll kernel macro. This makes code more readable. Signed-off-by: Nikita Danilov <nikita.danilov@aquantia.com> Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* aQuantia Corporation Network Driver
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* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*/
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/* File aq_hw_utils.h: Declaration of helper functions used across hardware
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* layer.
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*/
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#ifndef AQ_HW_UTILS_H
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#define AQ_HW_UTILS_H
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#include <linux/iopoll.h>
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#include "aq_common.h"
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#ifndef HIDWORD
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#define LODWORD(_qw) ((u32)(_qw))
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#define HIDWORD(_qw) ((u32)(((_qw) >> 32) & 0xffffffff))
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#endif
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#define AQ_HW_SLEEP(_US_) mdelay(_US_)
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#define aq_pr_err(...) pr_err(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
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#define aq_pr_trace(...) pr_info(AQ_CFG_DRV_NAME ": " __VA_ARGS__)
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struct aq_hw_s;
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void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
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u32 shift, u32 val);
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u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift);
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u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
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void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
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int aq_hw_err_from_flags(struct aq_hw_s *hw);
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#endif /* AQ_HW_UTILS_H */
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